diff --git a/X10D/EndPointExtensions.cs b/X10D/EndPointExtensions.cs
index 99017ba..c263d6c 100644
--- a/X10D/EndPointExtensions.cs
+++ b/X10D/EndPointExtensions.cs
@@ -8,7 +8,7 @@
     #endregion
 
     /// <summary>
-    /// A set of extension methods for <see cref="EndPoint"/> and derived types.
+    /// Extension methods for <see cref="EndPoint"/> and derived types.
     /// </summary>
     public static class EndPointExtensions
     {
diff --git a/X10D/StreamExtensions.cs b/X10D/StreamExtensions.cs
index 13ca2a9..ab1e71a 100644
--- a/X10D/StreamExtensions.cs
+++ b/X10D/StreamExtensions.cs
@@ -10,7 +10,7 @@
     #endregion
 
     /// <summary>
-    /// A set of extension methods for <see cref="Stream"/>.
+    /// Extension methods for <see cref="Stream"/>.
     /// </summary>
     public static class StreamExtensions
     {