THRIFT-4723 Consolidate C#/netcore into new netstd language target
Client: netstd
Patch: Jens Geyer
This closes #1710
diff --git a/lib/csharp/README.md b/lib/csharp/README.md
index b7dc5de..5fc14cb 100644
--- a/lib/csharp/README.md
+++ b/lib/csharp/README.md
@@ -1,5 +1,11 @@
Thrift C# Software Library
+Deprecation notice
+=======
+
+Per [THRIFT-4723](https://issues.apache.org/jira/browse/THRIFT-4723), both CSharp and Netcore targets are deprecated
+and will be removed with the next release. Migrate to the [NetStd language target](../netstd/README.md) instead.
+
License
=======