diff --git a/reference/memcache/memcache/delete.xml b/reference/memcache/memcache/delete.xml
index 3a81e84eaf..8c862892b2 100644
--- a/reference/memcache/memcache/delete.xml
+++ b/reference/memcache/memcache/delete.xml
@@ -11,15 +11,11 @@
   <methodsynopsis>
    <type>bool</type><methodname>Memcache::delete</methodname>
    <methodparam><type>string</type><parameter>key</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>timeout</parameter></methodparam>
+   <methodparam choice="opt"><type>int</type><parameter>timeout</parameter><initializer>0</initializer></methodparam>
   </methodsynopsis>
 
   <para>
-   <function>Memcache::delete</function> deletes item with the 
-   <parameter>key</parameter>. If parameter <parameter>timeout</parameter>
-   is specified, the item will expire after
-   <parameter>timeout</parameter> seconds.
-   Also you can use <function>memcache_delete</function> function.
+   <function>Memcache::delete</function> deletes an item with the <parameter>key</parameter>. 
   </para>
 
  </refsect1>
@@ -40,9 +36,8 @@
      <term><parameter>timeout</parameter></term>
      <listitem>
       <para>
-       Execution time of the item. If it's equal to zero, the item will be
-       deleted right away whereas if you set it to 30, the item will be
-       deleted in 30 seconds. 
+       This deprecated parameter is not supported, and defaults to <literal>0</literal> seconds.
+       Do not use this parameter.
       </para>
      </listitem>
     </varlistentry>
@@ -50,6 +45,32 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>Unknown</entry>
+      <entry>
+       <!-- @todo I don't understand this topic; it could be documented better -->
+       It's not recommended to use the <parameter>timeout</parameter> parameter. The
+       behavior differs between memcached versions, but setting to <literal>0</literal>
+       is safe. Other values for this deprecated feature may cause the memcache delete
+       to fail.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
@@ -69,14 +90,14 @@
 /* procedural API */
 $memcache_obj = memcache_connect('memcache_host', 11211);
 
-/* after 10 seconds item will be deleted by the server */
-memcache_delete($memcache_obj, 'key_to_delete', 10);
+/* item will be deleted by the server */
+memcache_delete($memcache_obj, 'key_to_delete');
 
 /* OO API */
 $memcache_obj = new Memcache;
 $memcache_obj->connect('memcache_host', 11211);
 
-$memcache_obj->delete('key_to_delete', 10);
+$memcache_obj->delete('key_to_delete');
 
 ?>
 ]]>