diff --git a/docs/changelog.txt b/docs/changelog.txt
index 553fb3362..5110e24ab 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -39,6 +39,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 
 ## Misc Improvements
 - `buildingplan`: minimized planner panel stays minimized until you change it again
+- `buildingplan`: can now filter by gems (for gem windows)
 - ``toggle-kbd-cursor``: add hotkey for toggling the keyboard cursor (Alt-K)
 - `gui/control-panel`: add preference option for hiding the terminal console on startup
 - `gui/control-panel`: add preference option for hiding "armok" tools in command lists