diff --git a/comprehensive-gpl-guide.tex b/comprehensive-gpl-guide.tex
index 431ebd0..be613bf 100644
--- a/comprehensive-gpl-guide.tex
+++ b/comprehensive-gpl-guide.tex
@@ -127,7 +127,9 @@ those licenses should note the
 
 \vfill
 
-Patches are welcome to this material.  Sources can be found in the Git
+This material is regularly updated by a community of contributors and is
+available online at all times at \url{https://copyleft.org/guide/}.  Patches
+are indeed welcome to this material.  Sources can be found in the Git
 repository at: \url{https://gitorious.org/gpl-compliance-tools/tutorial/}
 }
 \end{center}