[Improvement]: Changing your username contains confusing information about noreply commit email addresses (github#36800)

Co-authored-by: canuckjacq <[email protected]>

Author: sophietheking

content/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-personal-account-settings/changing-your-github-username.md

@@ -79,7 +79,9 @@ After changing your username, links to your previous profile page, such as `http
 
 ## Your Git commits
 
-{% ifversion fpt or ghec %}Git commits that were associated with your {% data variables.product.product_name %}-provided `noreply` email address won't be attributed to your new username and won't appear in your contributions graph.{% endif %} If your Git commits are associated with another email address you've [added to your GitHub account](/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-email-preferences/adding-an-email-address-to-your-github-account), {% ifversion fpt or ghec %}including the ID-based {% data variables.product.product_name %}-provided `noreply` email address, {% endif %}they'll continue to be attributed to you and appear in your contributions graph after you've changed your username. For more information on setting your email address, see "[AUTOTITLE](/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-email-preferences/setting-your-commit-email-address)."
+If your Git commits are associated with another email address you've added to your {% data variables.product.prodname_dotcom %} account, they'll continue to be attributed to you and appear in your contributions graph after you've changed your username. For more information on setting your email address, see "[AUTOTITLE](/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-email-preferences/setting-your-commit-email-address)" and "[AUTOTITLE](/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-email-preferences/adding-an-email-address-to-your-github-account)."
+
+{% ifversion fpt or ghec %}If you've been using a {% data variables.product.prodname_dotcom %}-provided private commit email address, whether or not your commit history will be retained after an account rename depends on the format of the email address. Git commits that are associated with your {% data variables.product.product_name %}-provided `noreply` email address won't be attributed to your new username and won't appear in your contributions graph, unless your `noreply` email address is in the form of `[email protected]`. Older versions of the `noreply` email address that do not contain a numeric ID will not be associated with your {% data variables.product.prodname_dotcom %} account after changing your username.{% endif %}
 
 ## Your gists