diff --git a/reference/url/functions/http-build-query.xml b/reference/url/functions/http-build-query.xml
index d9e51b42db..17633083b5 100644
--- a/reference/url/functions/http-build-query.xml
+++ b/reference/url/functions/http-build-query.xml
@@ -124,6 +124,8 @@ echo http_build_query($data);
 
     <simpara>
      See also:
+     <function>parse_str</function>,
+     <function>parse_url</function>,
      <function>urlencode</function>, and
      <function>array_walk</function>
     </simpara>