diff --git a/src/GreenDonut/src/Core/DataLoaderDiagnosticEventListener.cs b/src/GreenDonut/src/Core/DataLoaderDiagnosticEventListener.cs
index b9be493c6cd..d8d2bfe4f1c 100644
--- a/src/GreenDonut/src/Core/DataLoaderDiagnosticEventListener.cs
+++ b/src/GreenDonut/src/Core/DataLoaderDiagnosticEventListener.cs
@@ -10,7 +10,7 @@ namespace GreenDonut;
 public class DataLoaderDiagnosticEventListener : IDataLoaderDiagnosticEventListener
 {
     /// <summary>
-    /// A no-op <see cref="IActivityScope"/> that can be returned from
+    /// A no-op <see cref="IDisposable"/> that can be returned from
     /// event methods that are not interested in when the scope is disposed.
     /// </summary>
     protected static IDisposable EmptyScope { get; } = new EmptyActivityScope();
@@ -56,4 +56,4 @@ public void Dispose()
         {
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/HotChocolate/AspNetCore/src/Transport.Sockets/ISocket.cs b/src/HotChocolate/AspNetCore/src/Transport.Sockets/ISocket.cs
index 6c9756ad9aa..e5d071064e6 100644
--- a/src/HotChocolate/AspNetCore/src/Transport.Sockets/ISocket.cs
+++ b/src/HotChocolate/AspNetCore/src/Transport.Sockets/ISocket.cs
@@ -15,7 +15,7 @@ public interface ISocket
     bool IsClosed { get; }
 
     /// <summary>
-    /// Reads a message from a socket and writes them to the specified <param name="writer" />.
+    /// Reads a message from a socket and writes them to the specified <paramref name="writer" />.
     /// </summary>
     /// <param name="writer">
     /// The writer to which the message is written to.
diff --git a/src/HotChocolate/Core/src/Types/Contracts/ISchemaBuilder.cs b/src/HotChocolate/Core/src/Types/Contracts/ISchemaBuilder.cs
index 986de87fa61..3d9e2864d8d 100644
--- a/src/HotChocolate/Core/src/Types/Contracts/ISchemaBuilder.cs
+++ b/src/HotChocolate/Core/src/Types/Contracts/ISchemaBuilder.cs
@@ -113,7 +113,7 @@ public interface ISchemaBuilder
     /// This type must inherit from <see cref="ObjectType{T}"/> or be a class.
     /// </param>
     /// <param name="operation">
-    /// The operation type that <see cref="rootType"/> represents.
+    /// The operation type that <paramref name="rootType"/> represents.
     /// </param>
     /// <returns>
     /// Returns the schema builder to chain in further configuration.
@@ -122,7 +122,7 @@ public interface ISchemaBuilder
     /// <paramref name="rootType"/> is null.
     /// </exception>
     /// <exception cref="ArgumentException">
-    /// - <see cref="rootType"/> is either not a class or is not inheriting from
+    /// - <paramref name="rootType"/> is either not a class or is not inheriting from
     /// <see cref="ObjectType{T}"/>.
     ///
     /// - A root type for the specified <paramref name="operation"/> was already set.
@@ -136,7 +136,7 @@ public interface ISchemaBuilder
     /// An instance of <see cref="ObjectType"/> that represents a root type.
     /// </param>
     /// <param name="operation">
-    /// The operation type that <see cref="rootType"/> represents.
+    /// The operation type that <paramref name="rootType"/> represents.
     /// </param>
     /// <returns>
     /// Returns the schema builder to chain in further configuration.
diff --git a/src/HotChocolate/Core/src/Types/Internal/IExtendedType.cs b/src/HotChocolate/Core/src/Types/Internal/IExtendedType.cs
index 87eccc570b9..4e8e150796e 100644
--- a/src/HotChocolate/Core/src/Types/Internal/IExtendedType.cs
+++ b/src/HotChocolate/Core/src/Types/Internal/IExtendedType.cs
@@ -18,7 +18,7 @@ public interface IExtendedType : IEquatable<IExtendedType>
     /// <summary>
     /// Gets the original type representation.
     /// In case of a nullable int the original type will be
-    /// <see cref="Nullable{int}"/>.
+    /// <see cref="Nullable{T}"/>.
     /// </summary>
     Type Source { get; }
 
diff --git a/src/HotChocolate/Core/src/Types/Internal/IParameterExpressionBuilder.cs b/src/HotChocolate/Core/src/Types/Internal/IParameterExpressionBuilder.cs
index a6eeb951ad8..98844f9215c 100644
--- a/src/HotChocolate/Core/src/Types/Internal/IParameterExpressionBuilder.cs
+++ b/src/HotChocolate/Core/src/Types/Internal/IParameterExpressionBuilder.cs
@@ -32,9 +32,6 @@ public interface IParameterExpressionBuilder : IParameterHandler
     /// <param name="parameter">
     /// The parameter that needs to be resolved.
     /// </param>
-    /// <param name="source">
-    /// The runtime type of the object that is being resolved.
-    /// </param>
     /// <param name="context">
     /// An expression that represents the resolver context.
     /// </param>
diff --git a/src/HotChocolate/Core/src/Types/Resolvers/ArgumentValue.cs b/src/HotChocolate/Core/src/Types/Resolvers/ArgumentValue.cs
index ba3ae2280fa..6822bd609b5 100644
--- a/src/HotChocolate/Core/src/Types/Resolvers/ArgumentValue.cs
+++ b/src/HotChocolate/Core/src/Types/Resolvers/ArgumentValue.cs
@@ -35,7 +35,7 @@ public sealed class ArgumentValue : IInputFieldInfo
     /// The syntax value representation.
     /// </param>
     /// <exception cref="ArgumentNullException">
-    /// <paramref name="argument"/> or <param name="valueLiteral"></param> is <c>null</c>.
+    /// <paramref name="argument"/> or <paramref name="valueLiteral" /> is <c>null</c>.
     /// </exception>
     public ArgumentValue(
         IInputFieldInfo argument,
@@ -61,7 +61,7 @@ public sealed class ArgumentValue : IInputFieldInfo
     /// <param name="argument">The argument.</param>
     /// <param name="error">The argument value error.</param>
     /// <exception cref="ArgumentNullException">
-    /// <paramref name="argument"/> or <param name="error"></param> is <c>null</c>.
+    /// <paramref name="argument"/> or <paramref name="error" /> is <c>null</c>.
     /// </exception>
     public ArgumentValue(IInputFieldInfo argument, IError error)
     {
diff --git a/src/HotChocolate/Core/src/Types/Resolvers/IResolverContext.cs b/src/HotChocolate/Core/src/Types/Resolvers/IResolverContext.cs
index 10e1be4741c..74364e0ca57 100644
--- a/src/HotChocolate/Core/src/Types/Resolvers/IResolverContext.cs
+++ b/src/HotChocolate/Core/src/Types/Resolvers/IResolverContext.cs
@@ -99,7 +99,7 @@ public interface IResolverContext : IPureResolverContext
     void ReportError(Exception exception, Action<IErrorBuilder>? configure = null);
 
     /// <summary>
-    /// Gets the pre-compiled selections for the <paramref name="selectionSet" />
+    /// Gets the pre-compiled selections for the selection-set
     /// with the specified <paramref name="typeContext" />.
     /// type context.
     /// </summary>
diff --git a/src/HotChocolate/Core/src/Types/Types/Contracts/IObjectType.cs b/src/HotChocolate/Core/src/Types/Types/Contracts/IObjectType.cs
index 1962f1e3b32..e0fc5f5a2c5 100644
--- a/src/HotChocolate/Core/src/Types/Types/Contracts/IObjectType.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Contracts/IObjectType.cs
@@ -31,7 +31,7 @@ public interface IObjectType : IComplexOutputType
     /// The result that shall be checked.
     /// </param>
     /// <returns>
-    /// <c>true</c> if the <see cref="resolverResult"/> is an instance of this type;
+    /// <c>true</c> if the <paramref name="context"/> is an instance of this type;
     /// otherwise, <c>false</c>.
     /// </returns>
     bool IsInstanceOfType(IResolverContext context, object resolverResult);
diff --git a/src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor~1.cs b/src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor~1.cs
index 0dafb4eeb41..74462007bda 100644
--- a/src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor~1.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor~1.cs
@@ -41,8 +41,7 @@ public interface IInterfaceTypeDescriptor<T>
     /// Specifies an interface that is implemented by the
     /// <see cref="InterfaceType"/>.
     /// </summary>
-    /// <typeparam name="T">The interface type.</typeparam>
-    /// <typeparam name="TInterface"></typeparam>
+    /// <typeparam name="TInterface">The interface that is being implemented.</typeparam>
     [Obsolete("Use Implements.")]
     IInterfaceTypeDescriptor<T> Interface<TInterface>()
         where TInterface : InterfaceType;
@@ -51,8 +50,7 @@ IInterfaceTypeDescriptor<T> Interface<TInterface>()
     /// Specifies an interface that is implemented by the
     /// <see cref="InterfaceType"/>.
     /// </summary>
-    /// <typeparam name="T">The interface type.</typeparam>
-    /// <typeparam name="TInterface"></typeparam>
+    /// <typeparam name="TInterface">The interface that is being implemented.</typeparam>
     [Obsolete("Use Implements.")]
     IInterfaceTypeDescriptor<T> Interface<TInterface>(TInterface type)
         where TInterface : InterfaceType;
@@ -71,8 +69,7 @@ IInterfaceTypeDescriptor<T> Interface<TInterface>(TInterface type)
     /// Specifies an interface that is implemented by the
     /// <see cref="InterfaceType"/>.
     /// </summary>
-    /// <typeparam name="T">The interface type.</typeparam>
-    /// <typeparam name="TInterface"></typeparam>
+    /// <typeparam name="TInterface">The interface that is being implemented.</typeparam>
     IInterfaceTypeDescriptor<T> Implements<TInterface>()
         where TInterface : InterfaceType;
 
@@ -80,8 +77,7 @@ IInterfaceTypeDescriptor<T> Implements<TInterface>()
     /// Specifies an interface that is implemented by the
     /// <see cref="InterfaceType"/>.
     /// </summary>
-    /// <typeparam name="T">The interface type.</typeparam>
-    /// <typeparam name="TInterface"></typeparam>
+    /// <typeparam name="TInterface">The interface that is being implemented.</typeparam>
     IInterfaceTypeDescriptor<T> Implements<TInterface>(TInterface type)
         where TInterface : InterfaceType;
 
diff --git a/src/HotChocolate/Core/src/Types/Types/Descriptors/Conventions/IConventionContext.cs b/src/HotChocolate/Core/src/Types/Types/Descriptors/Conventions/IConventionContext.cs
index e7226d79c6d..8b06d71f93b 100644
--- a/src/HotChocolate/Core/src/Types/Types/Descriptors/Conventions/IConventionContext.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Descriptors/Conventions/IConventionContext.cs
@@ -18,7 +18,7 @@ public interface IConventionContext : IHasScope
     /// <summary>
     /// The schema builder context data that can be used for extensions
     /// to pass state along the initialization process.
-    /// This property can also be reached through <see cref="IDescriptorContext.ContextData" />.
+    /// This property can also be reached through <see cref="IHasContextData.ContextData" />.
     /// </summary>
     IDictionary<string, object?> ContextData { get; }
 
diff --git a/src/HotChocolate/Core/src/Types/Types/Extensions/SubscribeResolverObjectFieldDescriptorExtensions.cs b/src/HotChocolate/Core/src/Types/Types/Extensions/SubscribeResolverObjectFieldDescriptorExtensions.cs
index c973ad7fb69..95837dc040a 100644
--- a/src/HotChocolate/Core/src/Types/Types/Extensions/SubscribeResolverObjectFieldDescriptorExtensions.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Extensions/SubscribeResolverObjectFieldDescriptorExtensions.cs
@@ -89,6 +89,9 @@ public static class SubscribeResolverObjectFieldDescriptorExtensions
     /// <typeparam name="TMessage">
     /// The type of the message / event payload.
     /// </typeparam>
+    /// <typeparam name="TTopic">
+    /// The topic type.
+    /// </typeparam>
     public static IObjectFieldDescriptor SubscribeToTopic<TTopic, TMessage>(
         this IObjectFieldDescriptor descriptor,
         string argumentName) =>
diff --git a/src/HotChocolate/Core/src/Types/Types/InterfaceType.cs b/src/HotChocolate/Core/src/Types/Types/InterfaceType.cs
index 8a063b32920..a21d76a179b 100644
--- a/src/HotChocolate/Core/src/Types/Types/InterfaceType.cs
+++ b/src/HotChocolate/Core/src/Types/Types/InterfaceType.cs
@@ -41,7 +41,7 @@ namespace HotChocolate.Types;
 ///   age: Int
 /// }
 ///
-/// type Business implements NamedEntity & ValuedEntity {
+/// type Business implements NamedEntity &amp; ValuedEntity {
 ///   name: String
 ///   value: Int
 ///   employeeCount: Int
diff --git a/src/HotChocolate/Core/src/Types/Types/ObjectType.cs b/src/HotChocolate/Core/src/Types/Types/ObjectType.cs
index f4d49e3a016..1f50352dcbd 100644
--- a/src/HotChocolate/Core/src/Types/Types/ObjectType.cs
+++ b/src/HotChocolate/Core/src/Types/Types/ObjectType.cs
@@ -113,7 +113,7 @@ public virtual bool IsInstanceOfType(IResolverContext context, object resolverRe
     /// The result that shall be checked.
     /// </param>
     /// <returns>
-    /// <c>true</c> if the <see cref="resolverResult"/> is an instance of this type;
+    /// <c>true</c> if the <see cref="context"/> is an instance of this type;
     /// otherwise, <c>false</c>.
     /// </returns>
     [Obsolete("Use IsInstanceOfType")]
diff --git a/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingHandler.cs b/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingHandler.cs
index d27aa5e0cbb..394bfbe7485 100644
--- a/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingHandler.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingHandler.cs
@@ -29,7 +29,7 @@ public interface IPagingHandler
     /// The data set.
     /// </param>
     /// <returns>
-    /// Returns the page representing a part from the <see cref="source"/>.
+    /// Returns the page representing a part from the <paramref name="source"/>.
     /// </returns>
     ValueTask<IPage> SliceAsync(IResolverContext context, object source);
 }
diff --git a/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingProvider.cs b/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingProvider.cs
index e83641c1af5..332af3ea8a3 100644
--- a/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingProvider.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Pagination/IPagingProvider.cs
@@ -14,7 +14,7 @@ namespace HotChocolate.Types.Pagination;
 public interface IPagingProvider
 {
     /// <summary>
-    /// Specifies if this paging provider can handle the specified <see cref="source"/>.
+    /// Specifies if this paging provider can handle the specified <paramref name="source"/>.
     /// </summary>
     /// <param name="source">
     /// The source type represents the result of the field resolver and could be a collection,
diff --git a/src/HotChocolate/Core/src/Types/Types/Scalars/FloatTypeBase.cs b/src/HotChocolate/Core/src/Types/Types/Scalars/FloatTypeBase.cs
index f87e6dd72eb..05bdd673cf7 100644
--- a/src/HotChocolate/Core/src/Types/Types/Scalars/FloatTypeBase.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Scalars/FloatTypeBase.cs
@@ -198,21 +198,17 @@ public override bool TryDeserialize(object? resultValue, out object? runtimeValu
     }
 
     /// <summary>
-    /// Creates the exception that will be thrown when <see cref="ParseLiteral"/> encountered an
-    /// invalid <see cref="IValueNode "/>
+    /// Creates the exception that will be thrown when <see cref="ParseValue"/>
+    /// encountered a invalid runtime value.
     /// </summary>
-    /// <param name="valueSyntax">
-    /// The value syntax that should be parsed
+    /// <param name="runtimeValue">
+    /// The runtime value.
     /// </param>
     /// <returns>
     /// The created exception that should be thrown
     /// </returns>
     protected virtual SerializationException CreateParseValueError(object runtimeValue)
-    {
-        return new(
-            TypeResourceHelper.Scalar_Cannot_ParseResult(Name, runtimeValue.GetType()),
-            this);
-    }
+        => new(TypeResourceHelper.Scalar_Cannot_ParseResult(Name, runtimeValue.GetType()), this);
 
     /// <summary>
     /// Creates the exception that will be thrown when <see cref="ParseLiteral"/> encountered an
@@ -225,11 +221,7 @@ protected virtual SerializationException CreateParseValueError(object runtimeVal
     /// The created exception that should be thrown
     /// </returns>
     protected virtual SerializationException CreateParseLiteralError(IValueNode valueSyntax)
-    {
-        return new(
-            TypeResourceHelper.Scalar_Cannot_ParseLiteral(Name, valueSyntax.GetType()),
-            this);
-    }
+        => new(TypeResourceHelper.Scalar_Cannot_ParseLiteral(Name, valueSyntax.GetType()), this);
 
     /// <summary>
     /// Creates the exception that will be thrown when <see cref="ParseResult"/> encountered an
@@ -242,9 +234,5 @@ protected virtual SerializationException CreateParseLiteralError(IValueNode valu
     /// The created exception that should be thrown
     /// </returns>
     protected virtual SerializationException CreateParseResultError(object runtimeValue)
-    {
-        return new(
-            TypeResourceHelper.Scalar_Cannot_ParseResult(Name, runtimeValue.GetType()),
-            this);
-    }
+        => new(TypeResourceHelper.Scalar_Cannot_ParseResult(Name, runtimeValue.GetType()), this);
 }
diff --git a/src/HotChocolate/Core/src/Types/Utilities/ChangeType~1.cs b/src/HotChocolate/Core/src/Types/Utilities/ChangeType~1.cs
index baec087a8c5..fb6bc81d49c 100644
--- a/src/HotChocolate/Core/src/Types/Utilities/ChangeType~1.cs
+++ b/src/HotChocolate/Core/src/Types/Utilities/ChangeType~1.cs
@@ -1,5 +1,3 @@
-using System.Diagnostics.CodeAnalysis;
-
 namespace HotChocolate.Utilities;
 
-public delegate TTo ChangeType<TFrom, TTo>([MaybeNull] TFrom source);
+public delegate TTo ChangeType<in TFrom, out TTo>(TFrom source);
diff --git a/src/HotChocolate/Language/src/Language.Utf8/TokenKind.cs b/src/HotChocolate/Language/src/Language.Utf8/TokenKind.cs
index fab6faacd0f..c6934418f42 100644
--- a/src/HotChocolate/Language/src/Language.Utf8/TokenKind.cs
+++ b/src/HotChocolate/Language/src/Language.Utf8/TokenKind.cs
@@ -31,7 +31,7 @@ public enum TokenKind : byte
     Dollar,
 
     /// <summary>
-    /// &
+    /// &amp;
     /// </summary>
     Ampersand,
 
diff --git a/src/HotChocolate/Language/src/Language.Visitors/Contracts/ISyntaxNavigator.cs b/src/HotChocolate/Language/src/Language.Visitors/Contracts/ISyntaxNavigator.cs
index 0ab545454f8..fd489ffe2ae 100644
--- a/src/HotChocolate/Language/src/Language.Visitors/Contracts/ISyntaxNavigator.cs
+++ b/src/HotChocolate/Language/src/Language.Visitors/Contracts/ISyntaxNavigator.cs
@@ -70,7 +70,7 @@ public interface ISyntaxNavigator
     bool TryPeek(int count, [NotNullWhen(true)] out ISyntaxNode? node);
 
     /// <summary>
-    /// Returns the first ancestor of the provided <see cref="TNode" /> type.
+    /// Returns the first ancestor of the provided <typeparamref name="TNode" /> type.
     /// </summary>
     /// <typeparam name="TNode">The type of syntax node to be returned.</typeparam>
     /// <returns>The matching first ancestor or null if no match is found.</returns>
@@ -78,10 +78,10 @@ public interface ISyntaxNavigator
         where TNode : ISyntaxNode;
 
     /// <summary>
-    /// Returns all ancestors of the provided <see cref="TNode" /> type.
+    /// Returns all ancestors of the provided <typeparamref name="TNode" /> type.
     /// </summary>
     /// <typeparam name="TNode">The type of syntax nodes to be returned.</typeparam>
-    /// <returns>A collection of Syntax Nodes of type <see cref="TNode" /></returns>
+    /// <returns>A collection of Syntax Nodes of type <typeparamref name="TNode" /></returns>
     IEnumerable<TNode> GetAncestors<TNode>()
         where TNode : ISyntaxNode;
 
diff --git a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/ArgumentNodeTests.cs b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/ArgumentNodeTests.cs
index 7ec3a5647f3..b71f26263f9 100644
--- a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/ArgumentNodeTests.cs
+++ b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/ArgumentNodeTests.cs
@@ -66,10 +66,10 @@ public void CreateArgumentWithoutName()
         var value = new StringValueNode("bar");
 
         // act
-        Action action = () => new ArgumentNode(null, null, value);
+        void Action() => new ArgumentNode(null, null!, value);
 
         // assert
-        Assert.Throws<ArgumentNullException>(action);
+        Assert.Throws<ArgumentNullException>(Action);
     }
 
     [Fact]
@@ -79,7 +79,7 @@ public void CreateArgumentWithoutValue()
         var name = new NameNode("foo");
 
         // act
-        Action action = () => new ArgumentNode(null, name, null);
+        Action action = () => new ArgumentNode(null, name, null!);
 
         // assert
         Assert.Throws<ArgumentNullException>(action);
diff --git a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/DocumentNodeTests.cs b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/DocumentNodeTests.cs
index cbaddd179ac..8f3dc02b013 100644
--- a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/DocumentNodeTests.cs
+++ b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/DocumentNodeTests.cs
@@ -128,7 +128,7 @@ public void Document_With_Definitions_Null()
         var document = new DocumentNode(new IDefinitionNode[] { });
 
         // act
-        void Action() => document.WithDefinitions(null);
+        void Action() => document.WithDefinitions(null!);
 
         // assert
         Assert.Throws<ArgumentNullException>(Action);
diff --git a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeDefinitionNodeTests.cs b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeDefinitionNodeTests.cs
index ee80815daeb..5206a5f2025 100644
--- a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeDefinitionNodeTests.cs
+++ b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeDefinitionNodeTests.cs
@@ -70,7 +70,7 @@ public void EnumTypeDefinitionWithoutName_ArgumentNullException()
 
         // act
         EnumTypeDefinitionNode Action()
-            => new(location, null, description, directives, values);
+            => new(location, null!, description, directives, values);
 
         // assert
         Assert.Throws<ArgumentNullException>(Action);
@@ -88,7 +88,7 @@ public void EnumTypeDefinitionWithoutDirectives_ArgumentNullException()
 
         // act
         EnumTypeDefinitionNode Action()
-            => new(location, name, description, null, values);
+            => new(location, name, description, null!, values);
 
         // assert
         Assert.Throws<ArgumentNullException>(Action);
@@ -109,7 +109,7 @@ public void EnumTypeDefinitionWithoutValues_ArgumentNullException()
              name,
              description,
              directives,
-             null);
+             null!);
 
         // assert
         Assert.Throws<ArgumentNullException>(a);
@@ -162,7 +162,7 @@ public void WithDescription()
 
 
         // assert
-        Assert.Equal("baz", type.Description.Value);
+        Assert.Equal("baz", type.Description!.Value);
     }
 
     [Fact]
diff --git a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeExtensionNodeTests.cs b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeExtensionNodeTests.cs
index b0fedb1d85e..868e4ba4753 100644
--- a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeExtensionNodeTests.cs
+++ b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/EnumTypeExtensionNodeTests.cs
@@ -63,7 +63,7 @@ public void EnumTypeExtensionWithoutName_ArgumentNullException()
 
         // act
         EnumTypeExtensionNode Action()
-            => new(location, null, directives, values);
+            => new(location, null!, directives, values);
 
         // assert
         Assert.Throws<ArgumentNullException>(Action);
@@ -80,7 +80,7 @@ public void EnumTypeExtensionWithoutDirectives_ArgumentNullException()
 
         // act
         EnumTypeExtensionNode Action()
-            => new(location, name, null, values);
+            => new(location, name, null!, values);
 
         // assert
         Assert.Throws<ArgumentNullException>(Action);
@@ -99,7 +99,7 @@ public void EnumTypeExtensionWithoutValues_ArgumentNullException()
             location,
             name,
             directives,
-            null);
+            null!);
 
         // assert
         Assert.Throws<ArgumentNullException>(a);
diff --git a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/NonNullTypeNodeTests.cs b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/NonNullTypeNodeTests.cs
index d68a2c8ce77..73ad26c473e 100644
--- a/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/NonNullTypeNodeTests.cs
+++ b/src/HotChocolate/Language/test/Language.SyntaxTree.Tests/NonNullTypeNodeTests.cs
@@ -23,7 +23,7 @@ public void Create_With_Type_Where_Type_Is_Null()
     {
         // arrange
         // act
-        Action action = () => new NonNullTypeNode(null);
+        Action action = () => new NonNullTypeNode(null!);
 
         // assert
         Assert.Throws<ArgumentNullException>(action);
diff --git a/src/HotChocolate/Language/test/Language.Tests/Parser/SyntaxTokenInfo.cs b/src/HotChocolate/Language/test/Language.Tests/Parser/SyntaxTokenInfo.cs
index 6a21c55ac2b..dba9118369b 100644
--- a/src/HotChocolate/Language/test/Language.Tests/Parser/SyntaxTokenInfo.cs
+++ b/src/HotChocolate/Language/test/Language.Tests/Parser/SyntaxTokenInfo.cs
@@ -17,7 +17,7 @@ public sealed class SyntaxTokenInfo
     }
 
     /// <summary>
-    /// Gets the kind of <see cref="SyntaxToken" />.
+    /// Gets the kind of <see cref="HotChocolate.Language.ISyntaxNode" />.
     /// </summary>
     public TokenKind Kind { get; }
 
@@ -33,24 +33,16 @@ public sealed class SyntaxTokenInfo
 
     /// <summary>
     /// Gets the 1-indexed line number on which this
-    /// <see cref="SyntaxToken" /> appears.
+    /// <see cref="HotChocolate.Language.ISyntaxNode" /> appears.
     /// </summary>
     public int Line { get; }
 
     /// <summary>
     /// Gets the 1-indexed column number at which this
-    /// <see cref="SyntaxToken" /> begins.
+    /// <see cref="HotChocolate.Language.ISyntaxNode" /> begins.
     /// </summary>
     public int Column { get; }
 
-    public static SyntaxTokenInfo FromReader(
-        in Utf8GraphQLReader reader)
-    {
-        return new SyntaxTokenInfo(
-            reader.Kind,
-            reader.Start,
-            reader.End,
-            reader.Line,
-            reader.Column);
-    }
+    public static SyntaxTokenInfo FromReader(in Utf8GraphQLReader reader)
+        => new(reader.Kind, reader.Start, reader.End, reader.Line, reader.Column);
 }
diff --git a/src/StrawberryShake/Client/src/Core/EntityIdOrData.cs b/src/StrawberryShake/Client/src/Core/EntityIdOrData.cs
index a985e4b9764..43357afd44a 100644
--- a/src/StrawberryShake/Client/src/Core/EntityIdOrData.cs
+++ b/src/StrawberryShake/Client/src/Core/EntityIdOrData.cs
@@ -53,7 +53,7 @@ public EntityIdOrData(object data)
     /// Implicitly calls <c>new EntityIdOrData(entityId)</c>.
     /// </summary>
     /// <param name="entityId">
-    /// The <see cref="entityId"/> that shall be converted.
+    /// The <paramref cref="entityId"/> that shall be converted.
     /// </param>
     public static implicit operator EntityIdOrData(EntityId entityId) => new(entityId);
 }
diff --git a/src/StrawberryShake/Client/src/Core/GraphQLClientException.cs b/src/StrawberryShake/Client/src/Core/GraphQLClientException.cs
index 51fdf188b9c..293acc249d1 100644
--- a/src/StrawberryShake/Client/src/Core/GraphQLClientException.cs
+++ b/src/StrawberryShake/Client/src/Core/GraphQLClientException.cs
@@ -44,7 +44,7 @@ public GraphQLClientException(IClientError error)
     }
 
     /// <summary>
-    /// Creates a new exception that is caused by the specified client <see cref="errors"/>.
+    /// Creates a new exception that is caused by the specified client <paramref cref="errors"/>.
     /// </summary>
     /// <param name="errors">
     /// The client errors.
@@ -85,7 +85,7 @@ public GraphQLClientException(params IClientError[] errors)
     }
 
     /// <summary>
-    /// Creates a new exception that is caused by the specified client <see cref="errors"/>.
+    /// Creates a new exception that is caused by the specified client <paramref cref="errors"/>.
     /// </summary>
     /// <param name="errors">
     /// The client errors.
diff --git a/src/StrawberryShake/Client/src/Core/Serialization/SerializerResolver.cs b/src/StrawberryShake/Client/src/Core/Serialization/SerializerResolver.cs
index fe028d57d7e..497e219cf08 100644
--- a/src/StrawberryShake/Client/src/Core/Serialization/SerializerResolver.cs
+++ b/src/StrawberryShake/Client/src/Core/Serialization/SerializerResolver.cs
@@ -19,7 +19,7 @@ public class SerializerResolver : ISerializerResolver
     /// A enumerable of <see cref="ISerializer"/> that shall be known to the resolver
     /// </param>
     /// <exception cref="ArgumentNullException">
-    /// In case <param name="serializers"></param> is null
+    /// In case <paramref name="serializers"></param> is null
     /// </exception>
     public SerializerResolver(IEnumerable<ISerializer> serializers)
     {