diff --git a/FeedCache.php b/FeedCache.php
index 00d9250..7aedd6b 100644
--- a/FeedCache.php
+++ b/FeedCache.php
@@ -13,8 +13,8 @@ class FeedCache {
   private $is_local;
   private $data = false;
 
-  public function __construct($local, $remote, $valid_for=3600) {
-    $this->local = ROOT.'cache/'.$local;
+  public function __construct($remote, $valid_for=3600) {
+    $this->local = ROOT . 'cache/' . hash('md4', $remote);
     $this->remote = $remote;
     $this->valid_for = $valid_for;
     $this->is_local = $this->check_local();
diff --git a/README.md b/README.md
index 7862818..247fe4f 100644
--- a/README.md
+++ b/README.md
@@ -9,14 +9,23 @@ Include FeedCache.php in your script
 Then simply pass in the local file-name (that you want to save it as) and the remote feed:
 
 ```php
-  $feed_cache = new FeedCache('local_file.xml', 'http://example.com/feed.xml');
+  $feed_cache = new FeedCache('http://example.com/feed.xml');
   $data = simplexml_load_string($feed_cache->get_data());
 ```
+
 You will also need to make sure you have a writable folder called "cache" in the root of your site.
 
+The local filename is hashed string, which represents remote URI, you can specify used algorithm from __construct() method inside FeedCache class.
+
+```php
+	/* http://php.net/manual/en/function.hash.php */
+    $this->local = ROOT . 'cache/' . hash('md4', $remote); 
+```
+
 Changelog
 ---------
-
+* v1.1 (2013-04-26)
+** UPDATE: Pass onle name of remote feed, the script will store hash of it's name as filename of local cache file.
 * v1 (2012-04-26)
 ** ADD: Initial commit