diff --git a/aspnetcore/signalr/introduction.md b/aspnetcore/signalr/introduction.md
index ab1dc8d761..c72e9f7ff0 100644
--- a/aspnetcore/signalr/introduction.md
+++ b/aspnetcore/signalr/introduction.md
@@ -37,7 +37,7 @@ The source is hosted in a [SignalR repository on GitHub](https://github.com/dotn
 
 SignalR supports the following techniques for handling real-time communication (in order of graceful fallback):
 
-* [WebSockets](https://tools.ietf.org/html/rfc7118)
+* [WebSockets](xref:fundamentals/websockets)
 * Server-Sent Events
 * Long Polling