diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
index cb1bea68b..689f98dae 100644
--- a/RELEASE_NOTES.rst
+++ b/RELEASE_NOTES.rst
@@ -10,6 +10,8 @@ ARTIQ-9 (Unreleased)
 * afws_client now uses the "happy eyeballs" algorithm (RFC 6555) for a faster and more
   reliable connection to the server.
 * The Zadig driver installer was added to the MSYS2 offline installer.
+* GUI:
+  - MonInj DAC widgets now display the monitored value as a voltage instead of a percentage.
 
 ARTIQ-8
 -------