Update toc.yml

Updating TOC

Author: kperla97

articles/communication-services/toc.yml

@@ -593,7 +593,7 @@ items:
     - name: SDK features
       href: concepts/chat/sdk-features.md
     - name: Archiving Chats
-      href: how-tos/chat-sdk/archiving-chat-threads.md
+      href: how-tos/chat-sdk/archive-chat-threads.md
     - name: Pricing
       href: https://azure.microsoft.com/pricing/details/communication-services/
     - name: Events