diff --git a/expire.api.php b/expire.api.php
index 9c811e34a13cd54d4e63eba081cc9190b3983688..ea89183357de7368e78776c57f8cb0dcaa839878 100644
--- a/expire.api.php
+++ b/expire.api.php
@@ -54,6 +54,36 @@ function hook_expire_cache($urls, $wildcards, $object_type, $object) {
  * @param $urls
  *   List of internal paths and/or absolute URLs that should be flushed.
  *
+ *   Example of array:
+ *   array(
+ *     'node-1' => 'node/1',
+ *     'reference-user-17' => 'user/17',
+ *   );
+ *
+ * @param $object_type
+ *  Name of object type ('node', 'comment', 'user', etc).
+ *
+ * @param $object
+ *   Object (node, comment, user, etc) for which expiration is executes.
+ *
+ * @param $absolute_urls_passed
+ *   Indicates whether absolute urls were passed (TRUE or FALSE).
+ *   Currently this flag can be set to TRUE only from drush command or rules action.
+ *
+ * @see expire.api.inc
+ */
+function hook_expire_cache_alter(&$urls, $object_type, $object, $absolute_urls_passed) {
+  if (!$absolute_urls_passed && isset($urls['node-1'])) {
+    unset($urls['node-1']); // Do not expire node with nid 1.
+  }
+}
+
+/**
+ * Provides possibility to change urls right before they are expired.
+ *
+ * @param $urls
+ *   List of internal paths and/or absolute URLs that should be flushed.
+ *
  *   Example of array (when base url include option is enabled):
  *   array(
  *     'node/1' => 'http://example.com/node/1',
@@ -74,9 +104,8 @@ function hook_expire_cache($urls, $wildcards, $object_type, $object) {
  *
  * @see expire.api.inc
  */
-function hook_expire_cache_alter(&$urls, $object_type, $object) {
-  if ($object_type == 'node') {
-    unset($urls['node-' . $object->nid]);
-    $urls['example'] = 'custom_page/' . $object->uid . '/' . $object->nid;
+function hook_expire_urls_alter(&$urls, $object_type, $object) {
+  if ($object_type == 'node' && isset($urls['node-' . $object->nid])) {
+    $urls['node-' . $object->nid] = 'custom-url';
   }
 }
diff --git a/includes/expire.api.inc b/includes/expire.api.inc
index 464843d57d4494ed75f90be048f60536112e13c0..6966bb41c1111d888bfc147d5724dac7a4948f63 100644
--- a/includes/expire.api.inc
+++ b/includes/expire.api.inc
@@ -24,6 +24,9 @@ class ExpireAPI {
    */
   public static function executeExpiration($urls, $object_type = '', $object = NULL, $absolute_urls_passed = FALSE) {
 
+    // Allow other modules to modify the list prior to expiring.
+    drupal_alter('expire_cache', $urls, $object_type, $object, $absolute_urls_passed);
+
     // Nothing to expire, so exit.
     if (empty($urls)) {
       return;
@@ -68,12 +71,13 @@ class ExpireAPI {
       }
     }
 
-    // Allow other modules to modify the list prior to expiring.
-    drupal_alter('expire_cache', $urls, $object_type, $object);
+    // Latest possibility to change urls that should be expired.
+    drupal_alter('expire_urls', $urls, $object_type, $object);
 
     // Write some debug information.
     self::debugLog($urls, $wildcards, $object_type);
 
+    // Execute internal or external expiration.
     $status = variable_get('expire_status', EXPIRE_STATUS_DISABLED);
     if ($status == EXPIRE_STATUS_ENABLED_INTERNAL) {
       self::executeInternalExpiration($urls, $wildcards);