[DOCS-15401] Align GovCloud password reset troubleshooting with the portal UI

hugo/content/en/account_management/guide/manage-your-support-tickets.md

@@ -121,11 +121,15 @@ Make sure your full username includes the `.ddgov.support` suffix.
 
 ### Password reset not received
 
-Click **Forgot Password** and follow the process with your full username (with the `.ddgov.support` suffix). If you still do not receive the email, add `ddog-gov.com` to your email allowlist.
+Click **Forgot Your Password?** to open the **Reset Your Password** page, then enter your full username, including the `.ddgov.support` suffix, in the **Enter your username** field. If you still do not receive the email, add `ddog-gov.com` to your email allowlist.
+
+### Do not know your username
+
+Click **Forgot Your Password?** > **Forgot your username?** > **Use Your Email Address**. This link takes you out of the GovCloud support portal and opens Salesforce Identity. That page is also titled **Reset Your Password**, but its **Enter your email address** field takes your work email address, not your `.ddgov.support` username.
 
 ### Registration error
 
-Your account may already exist. Click **Forgot Password** and enter your full username, including the `.ddgov.support` suffix (for example, `[name]@[domain].ddgov.support`). If you are still unable to access your account, contact `support@ddog-gov.com`.
+Your account may already exist. Click **Forgot Your Password?**, then enter your full username, including the `.ddgov.support` suffix (for example, `[name]@[domain].ddgov.support`), in the **Enter your username** field. If you are still unable to access your account, contact `support@ddog-gov.com`.
 
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