dead link
diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index fa4f304..760b9c5 100644
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -335,7 +335,7 @@
<term><command>-Ddocs=enabled</command></term>
<listitem>
<para>
- Use <ulink url="https://www.gtk.org/gtk-doc/">GTK-Doc</ulink>. <emphasis>(Default = no)</emphasis>
+ Use <ulink url="https://github.com/GNOME/gtk-doc">GTK-Doc</ulink>. <emphasis>(Default = no)</emphasis>
</para>
<para>
This option enables the building of the documentation.