Update README.md

Author: allsecure-pay

README.md

@@ -5,7 +5,7 @@ Accept payments in your WooCommerce store using AllSecure OPEN Platform.
 Current version: 1.4.2
 Compatible with WooCommerce <= 3.6.4
 
-See a fully functional WooCommerce <a href="http://demo.allsecpay.com/cart/open/woo" target="_new">demo store</a> with AllSecure OPEN as a payment gateway.
+See a fully functional WooCommerce <a href="http://demo.allsecpay.xyz/cart/open/woo" target="_new">demo store</a> with AllSecure OPEN as a payment gateway.
 
 ## Version History