diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index 6a488fa25..fe01b186d 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -1,4 +1,5 @@
 5.0.5
+Add new parameter -useEnvironmentUpdateWindow to Install-BcAppFromAppSource, to schedule installation of apps to run inside update window
 
 5.0.4
 Add new parameter -excludeRuntimePackages to Publish-BcContainerApp, to exclude installation of runtime packages