Problem/Motivation
Allow users to find documentation on trusted_host_patterns
easily.
Proposed resolution
Add a comment in default.settings.php file near the trusted_host_patterns code pointing to the official documentation on this setting:
@see https://www.drupal.org/node/1992030
Remaining tasks
Commit the patch.
User interface changes
None.
API changes
None.
Data model changes
None.
Release notes snippet
Unnecessary.