Update apply-for-ten-digit-long-code.md

Author: dbasantes

articles/communication-services/quickstarts/sms/apply-for-ten-digit-long-code.md

@@ -240,7 +240,7 @@ After completing the **Use Case** tab, click next to proceed to the **Campaign a
 
       > [!TIP]
       > **PRO TIP:** Make Opt-In/Out and HELP Messages Clear and Compliant
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+      
        **Opt-in Message Requirements**
 
         The Opt-In Message must include the following information: