diff --git a/doc/RELEASE_NOTES b/doc/RELEASE_NOTES
index 5c8584a0495d3faa924f369f0f49e23c066c36d4..6db9e98c605bdcb811ae7f6c2d461e576447bb13 100644
--- a/doc/RELEASE_NOTES
+++ b/doc/RELEASE_NOTES
@@ -66,6 +66,8 @@ model.
 ROSS-vis instrumentation-- recording model level statistics in binary format
 and translating them into text.
 
+Running ensemble simulations with Switft.
+
 0.5.2 (July 13, 2016)
 
 Summer of CODES was another huge success! This release was created during the