diff --git a/pages/common/doxygen.md b/pages/common/doxygen.md
index e5b75ac57..c9c586cc5 100644
--- a/pages/common/doxygen.md
+++ b/pages/common/doxygen.md
@@ -1,6 +1,7 @@
 # doxygen
 
 > A documentation system for various programming languages.
+> More information: <http://www.doxygen.nl>.
 
 - Generate a default template configuration file "Doxyfile":