Complete docs for controuser/controlpass.

libraries/config.default.php

@@ -130,12 +130,15 @@ $cfg['Servers'][$i]['compress'] = false;
 
 /**
  * MySQL control user settings (this user must have read-only
+ * access to the "mysql/user" and "mysql/db" tables). The controluser is also
+ * used for all relational features (pmadb)
  *
  * @global string $cfg['Servers'][$i]['controluser']
  */
 $cfg['Servers'][$i]['controluser'] = '';
 
 /**
+ * MySQL control user settings (this user must have read-only
  * access to the "mysql/user" and "mysql/db" tables). The controluser is also
  * used for all relational features (pmadb)
  *