diff --git a/commerce_cart_expiration.module b/commerce_cart_expiration.module
index 5b859c7..0ad2792 100644
--- a/commerce_cart_expiration.module
+++ b/commerce_cart_expiration.module
@@ -85,17 +85,18 @@ function commerce_cart_expiration_access($op, $arg) {
  *   Time span (in seconds) until shopping carts are considered expired.
  * @param int $limit
  *   Number of expired carts to get.
- * @param mixed $ignore_status
- *   Orders in this status will never be considered expired
+ * @param string $ignore_status
+ *   (optional) Orders in this status will never be considered expired. Defaults
+ *   to NULL.
  *
  * @return array
  *   An array of commerce order IDs. When no results are found, an empty array
  *   is returned.
  */
-function commerce_cart_expiration_get_expired_carts($interval, $limit = 0, $ignore_status = FALSE) {
-  // If we're resetting order statuses (instead of deleting orders), ignore orders
-  // already in the target status, to make sure we process as may orders that need
-  // resetting as possible
+function commerce_cart_expiration_get_expired_carts($interval, $limit = 0, $ignore_status = NULL) {
+  // If we're resetting order statuses (instead of deleting orders), ignore
+  // orders already in the desired status, to make sure we process as many
+  // orders that need resetting as possible.
   $statuses = array_keys(commerce_order_statuses(array('cart' => TRUE)));
   if ($ignore_status && ($key = array_search($ignore_status, $statuses)) !== FALSE) {
     unset($statuses[$key]);
diff --git a/commerce_cart_expiration.rules.inc b/commerce_cart_expiration.rules.inc
index ad16684..6f02e46 100644
--- a/commerce_cart_expiration.rules.inc
+++ b/commerce_cart_expiration.rules.inc
@@ -88,7 +88,7 @@ function commerce_cart_expiration_rules_event_info() {
   );
 
   $events['commerce_cart_expiration_reset_order'] = array(
-    'label' => t('Before resetting status of an expired cart'),
+    'label' => t('Before resetting the status of an expired cart'),
     'group' => t('Commerce Cart'),
     'variables' => array(
       'commerce_order' => array(