fix typo in config.php-dist

config.php-dist

@@ -173,7 +173,8 @@
 	// outgoing mail. Only used with SMTP_SERVER.
 
 	define('SMTP_SECURE', '');
-	// used to select a secure SMTP conneciton.  can be tls, ssl or enpty
+	// Used to select a secure SMTP connection. Allowed values: ssl, tls,
+	// or empty.
 	
 	// ***************************************
 	// *** Other settings (less important) ***