Update TOC.yml

Author: samurp

articles/azure-relay/TOC.yml

@@ -18,7 +18,7 @@
       href: relay-hybrid-connections-http-requests-node-get-started.md   
     - name: Send and receive messages - Java HTTP
       href: relay-hybrid-connections-java-get-started.md
-    - name: Send and receive messages - Python Websockets
+    - name: Send and receive messages - Python WebSockets
       href: relay-hybrid-connections-python-get-started.md
   - name: Windows Communication Foundation (WCF)
     items: