diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameRequestStream.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameRequestStream.cs
index 90ebe8601e..6545b09e9b 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameRequestStream.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameRequestStream.cs
@@ -121,6 +121,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
 
         public void StopAcceptingReads()
         {
+            // Can't use dispose (or close) as can be disposed too early by user code
+            // As exampled in EngineTests.ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes
             _stopped = true;
         }
     }
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameResponseStream.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameResponseStream.cs
index 813ef23ba4..465e5fe3d2 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameResponseStream.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameResponseStream.cs
@@ -91,6 +91,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
 
         public void StopAcceptingWrites()
         {
+            // Can't use dispose (or close) as can be disposed too early by user code
+            // As exampled in EngineTests.ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes
             _stopped = true;
         }
     }