Purge all cache
Note: You are currently viewing documentation for Moodle 2.6. Up-to-date documentation for the latest stable version of Moodle may be available here: Purge all cache.
Settings > Site Administration > Development > Purge all caches
This setting is necessary when making changes to your theme or Moodle code in general. It removes the cached data, and so after refreshing your browser window with Ctrl + F5 you will see the changes you have made.