Review edit

Add "Tip" for being able to recover an account that's lost its auth
token due to data loss or error.

Author: markmandel

discord/developers/docs/discord-social-sdk/development-guides/using-provisional-accounts.mdx

@@ -518,6 +518,10 @@ def unmerge_provisional_account(external_user_id):
   r.raise_for_status()
 ```
 
+<Tip>
+This endpoint can also be useful in cases where the Discord Auth token has been lost to to error or data loss, and an unmerge operation is required to migrate to a provisional account before re-linking a Discord account.
+</Tip>
+
 ### Unmerging Provisional Accounts for Public Clients
 
 <PublicClient />