diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index bdefc5098024cb969a565a6efc3c4235e76ac83a..2a04b7c15765d86023cc099f94cc245e5b476f9b 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -7,6 +7,8 @@ Release 0.11 (04/29/2016)
   starvation between simultaneous DAQs and uploads
 - Added new polling file system observer agent as option for monitoring 
   directories
+- Reworked catalog API and corresponding MongoDB interfaces to use unique 
+  experiment file paths, rather than file names
 
 Release 0.10 (03/11/2016)
 =============================