simple drupal module to change text on add to cart button (filter by page url)

change text on add to cart button

//changecarttext.info

name = change text of add to cart

description = add to cart

package = custom
core = 7.x
files[] = changecarttext.module


//changecarttext.module

<?php

/* @file
* A module changing text on add to cart button.
*
*/

/**
* Implements hook form alter  on commerce_cart_add_to_cart_form() for specific  page "/deals".
*/

function changecart_form_commerce_cart_add_to_cart_form_alter(&$form, &$form_state, $form_id) {
		if ($_GET['q'] == 'deals') {
  $form['submit']['#value'] = t('Buy Now');
  }



}