updating content files

content/github/authenticating-to-github/troubleshooting-commit-signature-verification/checking-your-commit-and-tag-signature-verification-status.md

@@ -13,7 +13,7 @@ topics:
   - Identity
   - Access management
 ---
-### Checking your commit signature verification status
+## Checking your commit signature verification status
 
 1. On {% data variables.product.product_name %}, navigate to your pull request.
 {% data reusables.repositories.review-pr-commits %}
@@ -22,7 +22,7 @@ topics:
 4. To view more detailed information about the commit signature, click **Verified**{% if currentVersion == "free-pro-team@latest" %}, **Partially verified**,{% endif %} or **Unverified**.
 ![Verified signed commit](/assets/images/help/commits/gpg-signed-commit_verified_details.png)
 
-### Checking your tag signature verification status
+## Checking your tag signature verification status
 
 {% data reusables.repositories.navigate-to-repo %}
 {% data reusables.repositories.releases %}
@@ -33,7 +33,7 @@ topics:
 4. To view more detailed information about the tag signature, click **Verified**{% if currentVersion == "free-pro-team@latest" %}, **Partially verified**,{% endif %} or **Unverified**. 
 ![Verified signed tag](/assets/images/help/commits/gpg-signed-tag-verified-details.png)
 
-### Further reading
+## Further reading
 
 - "[About commit signature verification](/articles/about-commit-signature-verification)"
 - "[Signing commits](/articles/signing-commits)"

content/github/authenticating-to-github/troubleshooting-commit-signature-verification/updating-an-expired-gpg-key.md

@@ -16,6 +16,6 @@ If your key is expired, you must [update the expiration](https://www.gnupg.org/g
 
 If your key is invalid and you don't use another valid key in your key set, but instead generate a new GPG key with a new set of credentials, then your commits made with the revoked or expired key will continue to show as unverified. Also, your new credentials will not be able to resign or verify your old commits and tags.
 
-### Further reading
+## Further reading
 
 - "[About commit signature verification](/articles/about-commit-signature-verification)"

content/github/authenticating-to-github/troubleshooting-commit-signature-verification/using-a-verified-email-address-in-your-gpg-key.md

@@ -19,6 +19,6 @@ Commits and tags may contain several email addresses. For commits, there is the
 
 If you need to change your committer or tagger email address, see "[Setting your commit email address](/articles/setting-your-commit-email-address/)."
 
-### Further reading
+## Further reading
 
 - "[About commit signature verification](/articles/about-commit-signature-verification)"