diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 9138fcbad958dab2937460417527ce849921cc70..e2f07103e1a03b881aba6a4845f5fa78974f539a 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -3,6 +3,8 @@ Release 1.4 (07/15/2017)
 
 - Introduced DM Station GUI (accessed via dm-station-gui command)
 - Introduced automated system test framework for DM stations
+- Added --process-existing option to start-daq and <station>-daq
+  commands; this will cause upload of existing files when starting DAQs
 
 Release 1.3 (05/10/2017)
 =============================