Updated TOC entry for campaign rejection errors article

Author: Cloud-Writer

Teams/TOC.yml

@@ -226,7 +226,7 @@ items:
           href: ./phone-system/direct-routing/microsoft-sip-response-codes-503.md
         - name: SIP response code 504
           href: ./phone-system/direct-routing/microsoft-sip-response-codes-504.md
-    - name: Resolve 10DLC campaign rejection errors
+    - name: Resolve campaign rejection errors for SMS
       href: ./phone-system/sms-calling-errors.md
     - name: Voicemail messages are not delivered
       href: ./phone-system/voicemails-not-delivered.md