diff --git a/reference/wincache/functions/wincache-ucache-add.xml b/reference/wincache/functions/wincache-ucache-add.xml
index 55f52d348d..4510529554 100644
--- a/reference/wincache/functions/wincache-ucache-add.xml
+++ b/reference/wincache/functions/wincache-ucache-add.xml
@@ -43,7 +43,9 @@
       <para>
        Value of a variable to store. <parameter>Value</parameter> supports all data types except resources, such as file handles.
        This paramter is ignored if first argument is an array. A general guidance is to pass <literal>NULL</literal> 
-       as <parameter>value</parameter> while using array as <parameter>key</parameter>.
+       as <parameter>value</parameter> while using array as <parameter>key</parameter>. If <parameter>value</parameter> is an
+       object, or an array containing objects, then the objects will be serialized. See
+       <link linkend="language.oop5.magic.sleep">__sleep()</link> for details on serializing objects.
       </para>
      </listitem>
     </varlistentry>
@@ -153,6 +155,7 @@ string(1) "6"
     <member><function>wincache_ucache_exists</function></member>
     <member><function>wincache_ucache_meminfo</function></member>
     <member><function>wincache_ucache_info</function></member>
+    <member><link linkend="language.oop5.magic.sleep">__sleep()</link></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/wincache/functions/wincache-ucache-get.xml b/reference/wincache/functions/wincache-ucache-get.xml
index 73155ed07e..b51ab70b61 100644
--- a/reference/wincache/functions/wincache-ucache-get.xml
+++ b/reference/wincache/functions/wincache-ucache-get.xml
@@ -29,7 +29,9 @@
        The <parameter>key</parameter> that was used to store the variable in the cache. 
        <parameter>key</parameter> is case sensitive. <parameter>key</parameter> can be an 
        array of keys. In this case the return value will be an array of values of each element 
-       in the <parameter>key</parameter> array.
+       in the <parameter>key</parameter> array. If an object, or an array containing objects,
+       is returned, then the objects will be unserialized. See
+       <link linkend="language.oop5.magic.sleep">__wakeup()</link> for details on unserializing objects.
       </para>
      </listitem>
     </varlistentry>
@@ -121,6 +123,7 @@ bool(true)
     <member><function>wincache_ucache_exists</function></member>
     <member><function>wincache_ucache_meminfo</function></member>
     <member><function>wincache_ucache_info</function></member>
+    <member><link linkend="language.oop5.magic.sleep">__wakeup()</link></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/wincache/functions/wincache-ucache-set.xml b/reference/wincache/functions/wincache-ucache-set.xml
index 3161a7e082..b3da272da2 100644
--- a/reference/wincache/functions/wincache-ucache-set.xml
+++ b/reference/wincache/functions/wincache-ucache-set.xml
@@ -44,7 +44,9 @@
       <para>
        Value of a variable to store. <parameter>Value</parameter> supports all data types except resources, such as file handles.
        This paramter is ignored if first argument is an array. A general guidance is to pass <literal>NULL</literal> 
-       as <parameter>value</parameter> while using array as <parameter>key</parameter>.
+       as <parameter>value</parameter> while using array as <parameter>key</parameter>. If <parameter>value</parameter> is an
+       object, or an array containing objects, then the objects will be serialized. See
+       <link linkend="language.oop5.magic.sleep">__sleep()</link> for details on serializing objects.
       </para>
      </listitem>
     </varlistentry>
@@ -152,6 +154,7 @@ string(1) "6"
     <member><function>wincache_ucache_exists</function></member>
     <member><function>wincache_ucache_meminfo</function></member>
     <member><function>wincache_ucache_info</function></member>
+    <member><link linkend="language.oop5.magic.sleep">__sleep()</link></member>
    </simplelist>
   </para>
  </refsect1>