diff --git a/contrib/sample.hgrc b/contrib/sample.hgrc
--- a/contrib/sample.hgrc
+++ b/contrib/sample.hgrc
@@ -43,6 +43,11 @@
 
 # hgext.gpg =
 
+### graphlog - ASCII graph log
+### hg help glog
+
+# hgext.graphlog =
+
 ### hgk - GUI repository browser
 ### hg help view