diff --git a/src/corelib/doc/src/external-resources.qdoc b/src/corelib/doc/src/external-resources.qdoc
index 0d1b0c3fc47..94208f21a00 100644
--- a/src/corelib/doc/src/external-resources.qdoc
+++ b/src/corelib/doc/src/external-resources.qdoc
@@ -40,3 +40,8 @@
     \externalpage http://www.tamil.net/tscii/
     \title http://www.tamil.net/tscii/
 */
+
+/*!
+    \externalpage http://www.iso.org/iso/catalogue_detail?csnumber=40874
+    \title ISO 8601
+*/
\ No newline at end of file