Add C# doc
diff --git a/doc/server-reflection.md b/doc/server-reflection.md
index bed0984..c9b4765 100644
--- a/doc/server-reflection.md
+++ b/doc/server-reflection.md
@@ -190,7 +190,7 @@
- [Java](https://github.com/grpc/grpc-java/blob/master/documentation/server-reflection-tutorial.md#enable-server-reflection)
- [Go](https://github.com/grpc/grpc-go/blob/master/Documentation/server-reflection-tutorial.md#enable-server-reflection)
- [C++](https://grpc.io/grpc/cpp/md_doc_server_reflection_tutorial.html)
+- [C#](https://github.com/grpc/grpc/blob/master/doc/csharp/server_reflection.md)
- Python: (tutorial not yet written)
-- C#: (tutorial not yet written)
- Ruby: not yet implemented [#2567](https://github.com/grpc/grpc/issues/2567)
- Node: not yet implemented [#2568](https://github.com/grpc/grpc/issues/2568)
