Emphasize not.

Author: Felix Arntz

wordpress-coding-standards.md

@@ -22,6 +22,6 @@ If you are planning to contribute to WordPress core, you need to familiarize you
 
 WordPress is committed to meeting the <a href="https://www.w3.org/TR/WCAG20/">Web Content Accessibility Guidelines (WCAG) at level AA</a> for all new and updated code. We've provided a <a href="https://developer.wordpress.org/coding-standards/wordpress-coding-standards/accessibility/">quick guide to common accessibility issues</a> you should be aware of when creating patches or feature plug-ins. 
 
-<h2>Where do the coding standards not apply?</h2>
+<h2>Where do the coding standards _not_ apply?</h2>
 
 Third-party libraries are not subject to these standards, even when integrated with the primary project. This includes instances like WordPress core, where multiple third-party libraries are incorporated into its codebase.