Update README.md

Author: damalis

README.md

@@ -213,6 +213,10 @@ add and/or remove joomla site folders and files with any ftp client program in `
 
 Database server name = database
 
+#### How to remove index.php from URLs or How to Solve Joomla Installation stuck on white blank page.
+
+You must restart varnish container after enable Use URL Rewriting at joomla admin page.
+
 #### Redis
 
 set and enable cache option at global configuration [Redis Cache](https://example.com/administrator/).