diff --git a/doc/interop-test-descriptions.md b/doc/interop-test-descriptions.md
index e618e967ee059c9aa88ad0f2d126354cc8d2a2e7..3beb1d11f4a8f2a28164376dadc704ada27f3030 100644
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md
@@ -2,9 +2,8 @@ Interoperability Test Case Descriptions
 =======================================
 
 Client and server use
-[test.proto](https://github.com/grpc/grpc/blob/master/test/proto/test.proto)
-and the [gRPC over HTTP/2 v2
-protocol](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md).
+[test.proto](../src/proto/grpc/testing/test.proto)
+and the [gRPC over HTTP/2 v2 protocol](./PROTOCOL-HTTP2.md).
 
 Client
 ------