diff --git a/Sources/GoogleAI/Chat.swift b/Sources/GoogleAI/Chat.swift
index 7f9f82f..57faaf0 100644
--- a/Sources/GoogleAI/Chat.swift
+++ b/Sources/GoogleAI/Chat.swift
@@ -83,7 +83,7 @@ public class Chat {
     // Make sure we inject the role into the content received.
     let toAdd = ModelContent(role: "model", parts: reply.parts)
 
-    // Append the request and succssful result to history, then return the value.
+    // Append the request and successful result to history, then return the value.
     await MainActor.run {
       self.history.append(contentsOf: newContent)
       self.history.append(toAdd)
diff --git a/Sources/GoogleAI/GenerativeModel.swift b/Sources/GoogleAI/GenerativeModel.swift
index 33d575e..e39b1bb 100644
--- a/Sources/GoogleAI/GenerativeModel.swift
+++ b/Sources/GoogleAI/GenerativeModel.swift
@@ -42,7 +42,7 @@ public final class GenerativeModel: @unchecked Sendable {
 
   /// Instructions that direct the model to behave a certain way.
   /// NOTE: This is not optional in the latest releases.
-  /// TODO: Remove optional system intructions.
+  /// TODO: Remove optional system instructions.
   let systemInstruction: ModelContent?
 
   /// Configuration parameters for sending requests to the backend.
diff --git a/Sources/GoogleAI/ModelContent.swift b/Sources/GoogleAI/ModelContent.swift
index 88f42c7..5112036 100644
--- a/Sources/GoogleAI/ModelContent.swift
+++ b/Sources/GoogleAI/ModelContent.swift
@@ -19,7 +19,7 @@ import Foundation
 /// may comprise multiple heterogeneous ``ModelContent/Part``s.
 @available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
 public struct ModelContent: Equatable, Sendable {
-  /// A discrete piece of data in a media format intepretable by an AI model. Within a single value
+  /// A discrete piece of data in a media format interpretable by an AI model. Within a single value
   /// of ``Part``, different data types may not mix.
   public enum Part: Equatable, Sendable {
     /// Text value.
diff --git a/Sources/GoogleAI/Safety.swift b/Sources/GoogleAI/Safety.swift
index bdb143e..2de53cd 100644
--- a/Sources/GoogleAI/Safety.swift
+++ b/Sources/GoogleAI/Safety.swift
@@ -25,7 +25,7 @@ public struct SafetyRating: Equatable, Hashable, Sendable {
 
   /// The model-generated probability that a given piece of content falls under the harm category
   /// described in ``category``. This does not
-  /// indiciate the severity of harm for a piece of content. See ``HarmProbability`` for a list of
+  /// indicate the severity of harm for a piece of content. See ``HarmProbability`` for a list of
   /// possible values.
   public let probability: HarmProbability
 
diff --git a/Tests/GoogleAITests/PartsRepresentableTests.swift b/Tests/GoogleAITests/PartsRepresentableTests.swift
index 668db4e..120e7e5 100644
--- a/Tests/GoogleAITests/PartsRepresentableTests.swift
+++ b/Tests/GoogleAITests/PartsRepresentableTests.swift
@@ -73,7 +73,7 @@ final class PartsRepresentableTests: XCTestCase {
         return
       }
     }
-    XCTFail("Expected model content from invlaid image to error")
+    XCTFail("Expected model content from invalid image to error")
   }
 
   #if canImport(UIKit)
@@ -97,7 +97,7 @@ final class PartsRepresentableTests: XCTestCase {
           return
         }
       }
-      XCTFail("Expected model content from invlaid image to error")
+      XCTFail("Expected model content from invalid image to error")
     }
 
     func testModelContentFromUIImageIsNotEmpty() throws {
@@ -137,7 +137,7 @@ final class PartsRepresentableTests: XCTestCase {
           return
         }
       }
-      XCTFail("Expected model content from invlaid image to error")
+      XCTFail("Expected model content from invalid image to error")
     }
   #endif
 }