diff --git a/reference/apc/functions/apc-add.xml b/reference/apc/functions/apc-add.xml
index 32f8347991..19419e8be1 100644
--- a/reference/apc/functions/apc-add.xml
+++ b/reference/apc/functions/apc-add.xml
@@ -86,7 +86,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   Returns TRUE if something has effectively been added into the cache, FALSE otherwise.
    Second syntax returns array with error keys.
   </para>
  </refsect1>