diff --git a/TestStack.ConventionTests/Conventions/AllClassesHaveDefaultConstructor.cs b/TestStack.ConventionTests/Conventions/AllClassesHaveDefaultConstructor.cs
index 7eef443..63f9829 100644
--- a/TestStack.ConventionTests/Conventions/AllClassesHaveDefaultConstructor.cs
+++ b/TestStack.ConventionTests/Conventions/AllClassesHaveDefaultConstructor.cs
@@ -15,7 +15,7 @@ public AllClassesHaveDefaultConstructor()
         public ConventionResult Execute(Types data)
         {
             var invalid = data.ApplicableTypes.Where(t => t.HasDefaultConstructor() == false);
-            return ConventionResult.For(invalid, HeaderMessage, (t, m) => m.AppendLine("\t" + t));
+            return ConventionResult.For(invalid, HeaderMessage, t => "\t" + t);
         }
     }
 }
\ No newline at end of file
diff --git a/TestStack.ConventionTests/Internal/ConventionResult.cs b/TestStack.ConventionTests/Internal/ConventionResult.cs
index 4886444..cdb5f71 100644
--- a/TestStack.ConventionTests/Internal/ConventionResult.cs
+++ b/TestStack.ConventionTests/Internal/ConventionResult.cs
@@ -7,10 +7,16 @@
 
     public class ConventionResult
     {
-        ConventionResult() { }
+        ConventionResult()
+        {
+        }
 
         public string Message { get; private set; }
-        public bool Failed { get { return !string.IsNullOrEmpty(Message); }}
+
+        public bool Failed
+        {
+            get { return !string.IsNullOrEmpty(Message); }
+        }
 
         public static ConventionResult For<TResult>(
             IEnumerable<TResult> items,
@@ -32,5 +38,13 @@ public static ConventionResult For<TResult>(
             result.Message = message.ToString();
             return result;
         }
+
+        public static ConventionResult For<TResult>(
+            IEnumerable<TResult> items,
+            string header,
+            Func<TResult, string> itemDescriptor)
+        {
+            return For(items, header, (item, message) => message.AppendLine(itemDescriptor(item)));
+        }
     }
 }
\ No newline at end of file