diff --git a/base b/base
index d96c69131..1772343c7 160000
--- a/base
+++ b/base
@@ -1 +1 @@
-Subproject commit d96c69131f5156750fd75574b0a4b310a5178b1b
+Subproject commit 1772343c76753f5bf0c25d7787751d40591dfbca
diff --git a/frontend/ui/uimanager.lua b/frontend/ui/uimanager.lua
index fdae61203..f7eb24e48 100644
--- a/frontend/ui/uimanager.lua
+++ b/frontend/ui/uimanager.lua
@@ -792,6 +792,9 @@ function UIManager:_repaint()
     -- execute refreshes:
     for _, refresh in ipairs(self._refresh_stack) do
         dbg:v("triggering refresh", refresh)
+        -- NOTE: We overshoot by 1px to account for potential off-by-ones.
+        --       This may not strictly be needed anymore, and is blatantly unneeded for full-screen updates,
+        --       but checkBounds & getPhysicalRect will sanitize that in mxc_update @ ffi/framebuffer_mxcfb ;).
         Screen[refresh_methods[refresh.mode]](Screen,
             refresh.region.x - 1, refresh.region.y - 1,
             refresh.region.w + 2, refresh.region.h + 2)