Update troubleshoot-publisher-verification.md

Author: jborsecnik

articles/active-directory/develop/troubleshoot-publisher-verification.md

@@ -28,7 +28,7 @@ If you're unable to complete the process or are experiencing unexpected behavior
 ## Common Issues
 Below are some common issues that may occur during the process. 
 
-- **I don’t know my Microsoft Partner Network ID (MPN ID) or I don’t know who the primary contact for the account is** 
+- **I don’t know my Microsoft Partner Network ID (MPN ID) or I don’t know who the primary contact for the account is.** 
     1. Navigate to the [MPN enrollment page](https://partner.microsoft.com/dashboard/account/v3/enrollment/joinnow/basicpartnernetwork/new).
     2. Sign in with a user account in the org's primary Azure AD tenant. 
     3. If an MPN account already exists, this will be recognized and you'll be added to the account.