Update config.php.sample

application/config/config.php.sample

@@ -51,6 +51,8 @@ $config['battlenet_support'] = false;
 /*===================================================================
 If your core password encryption is SRP6, you need to enable it.
 For last versions of the TrinityCore(3.3.5/master) you need to enable it. https://git.io/JJRH4 and https://git.io/JJrxq
+Enable that if you use the last version of TC.
+You need to enable the GMP extension for PHP.
 =====================================================================*/
 $config['srp6_support'] = false;
 /*===================================================================