diff --git a/checkin_notes b/checkin_notes
index d1ee9f961f..3eb92cbd78 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -4624,3 +4624,8 @@ Karl    2003/06/09
 
 Karl    2003/06/09
     - enabled automake maintainer mode - less rebuilding of Makefiles
+    - updated doc
+
+    configure.ac
+    doc/
+        build_system.html