Fix alert headers

Author: akordowski

content/authentication/troubleshooting-ssh/using-ssh-over-the-https-port.md

@@ -13,7 +13,7 @@ topics:
 shortTitle: Use SSH over HTTPS port
 ---
 
-> [!TIP]
+> [!WARNING]
 > **{% data variables.product.prodname_ghe_server %} users:** Accessing {% data variables.product.prodname_ghe_server %} via SSH over the HTTPS port is currently not supported.
 
 To test if SSH over the HTTPS port is possible, run this SSH command:

content/migrations/importing-source-code/using-the-command-line-to-import-source-code/importing-an-external-git-repository-using-the-command-line.md

@@ -18,7 +18,7 @@ Before you start, make sure you know:
 * Your {% data variables.product.product_name %} username
 * The clone URL for the external repository, such as `https://external-host.com/user/repo.git` or `git://external-host.com/user/repo.git` (perhaps with a `user@` in front of the `external-host.com` domain name)
 
-> [!TIP]
+> [!NOTE]
 > For purposes of demonstration, we'll use:
 >
 > * An external account named **extuser**

content/pull-requests/committing-changes-to-your-project/creating-and-editing-commits/changing-a-commit-message.md

@@ -106,7 +106,7 @@ If you need to amend the message for multiple commits or an older commit, you ca
 
 For more information on interactive rebase, see [Interactive mode](https://git-scm.com/docs/git-rebase#_interactive_mode) in the Git manual.
 
-> [!TIP]
+> [!NOTE]
 > As before, amending the commit message will result in a new commit with a new ID. However, in this case, every commit that follows the amended commit will also get a new ID because each commit also contains the ID of its parent.
 
 > [!WARNING]

content/site-policy/site-policy-deprecated/amendment-to-github-terms-of-service-applicable-to-us-federal-government-users.md

@@ -15,7 +15,7 @@ versions:
 
 _These terms apply to Customers who licensed the Products prior to January 4, 2021. Customers who purchase GitHub Products after that date are directed to https://github.com/customer-terms for current terms._
 
-> [!TIP]
+> [!NOTE]
 > This Amendment to GitHub's [Terms of Service](/site-policy/github-terms/github-terms-of-service) applies only to users that are using GitHub on behalf of the United States federal government. If you are not using GitHub on behalf of the U.S. federal government, the standard [GitHub Terms of Service](/site-policy/github-terms/github-terms-of-service) apply to you.
 
 This Amendment is an agreement between GitHub, Inc. ("GitHub" or "Company") and U.S. federal government users of the GitHub.com web site (the “Service”) and applies solely to any U.S. federal government agency and its users who use or access the Service on behalf of the U.S. federal government (the "Government").