diff --git a/src/corelib/doc/src/external-resources.qdoc b/src/corelib/doc/src/external-resources.qdoc
index f16a21d5219..c3dc67a705f 100644
--- a/src/corelib/doc/src/external-resources.qdoc
+++ b/src/corelib/doc/src/external-resources.qdoc
@@ -57,11 +57,11 @@
 */
 
 /*!
-    \externalpage http://marcmutz.wordpress.com/effective-qt/containers/#containers-qlist
+    \externalpage https://marcmutz.wordpress.com/effective-qt/containers/#containers-qlist
     \title Pros and Cons of Using QList
 */
 
 /*!
-    \externalpage http://marcmutz.wordpress.com/effective-qt/containers/
+    \externalpage https://marcmutz.wordpress.com/effective-qt/containers/
     \title Understand the Qt Containers
 */