1 files changed, 9 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
index 050f7476..18223a9e 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
@@ -40,6 +40,15 @@ namespace Google.Protobuf.WellKnownTypes {
     }
   }
   #region Messages
+  /// <summary>
+  ///  A generic empty message that you can re-use to avoid defining duplicated
+  ///  empty messages in your APIs. A typical example is to use it as the request
+  ///  or the response type of an API method. For instance:
+  ///      service Foo {
+  ///        rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+  ///      }
+  ///  The JSON representation for `Empty` is empty JSON object `{}`.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class Empty : pb::IMessage<Empty> {
     private static readonly pb::MessageParser<Empty> _parser = new pb::MessageParser<Empty>(() => new Empty());