diff --git a/docs/gtkada_ug/intro.rst b/docs/gtkada_ug/intro.rst
index 31a77c2dc..a2af563cf 100644
--- a/docs/gtkada_ug/intro.rst
+++ b/docs/gtkada_ug/intro.rst
@@ -35,7 +35,7 @@ with your OpenGL library, for more information.
 The following Internet sites will always contain the latest public packages for
 `GtkAda`, `gtk+`, `Glade` and `Cairo`
 
-* `https://github.com/AdaCore/gtkada <https://github.com/AdaCore/gtkada`_
+* `https://github.com/AdaCore/gtkada <https://github.com/AdaCore/gtkada>`_
 
 * `http://www.gtk.org/ <http://www.gtk.org/>`_