diff --git a/README.rst b/README.rst
index 5ae9008f..20c06bb2 100644
--- a/README.rst
+++ b/README.rst
@@ -3,3 +3,5 @@ consdb
 ######
 
 Scripts and services for generating the Summit Visit Database and Consolidated Database (ConsDB), including summarizing the Engineering and Facilities Database (EFD).
+
+See also DMTN-227.lsst.io