diff --git a/content/docs/tutorials/async/helloasync-cpp.md b/content/docs/tutorials/async/helloasync-cpp.md
index 63a6dba..eb93068 100644
--- a/content/docs/tutorials/async/helloasync-cpp.md
+++ b/content/docs/tutorials/async/helloasync-cpp.md
@@ -19,7 +19,7 @@ instructions in
 ### Overview
 
 gRPC uses the
-[`CompletionQueue`](/grpc/cpp/classgrpc_1_1_completion_queue.html)
+[`CompletionQueue`](/grpc/cpp/classgrpc__impl_1_1_completion_queue.html)
 API for asynchronous operations. The basic work flow
 is as follows: