fix widget name

Author: myk002

docs/gui/mass-remove.rst

@@ -26,9 +26,9 @@ Overlay
 This tool also provides one overlay that is managed by the `overlay`
 framework.
 
-massremovetoolbar
-~~~~~~~~~~~~~~~~~
+gui/mass-remove.toolbar
+~~~~~~~~~~~~~~~~~~~~~~~
 
-The ``mass-remove.massremovetoolbar`` overlay adds a button to the toolbar at the bottom of the
-screen when eraser mode is active. It allows you to conveniently open the ``gui/mass-remove``
-interface.
+The ``gui/mass-remove.toolbar`` overlay adds a button to the toolbar at the
+bottom of the screen when eraser mode is active. It allows you to conveniently
+open the ``gui/mass-remove`` interface.

gui/mass-remove.lua

@@ -480,8 +480,7 @@ function MassRemoveToolbarOverlay:onInput(keys)
     return MassRemoveToolbarOverlay.super.onInput(self, keys)
 end
 
-OVERLAY_WIDGETS = {massremovetoolbar=MassRemoveToolbarOverlay}
-
+OVERLAY_WIDGETS = {toolbar=MassRemoveToolbarOverlay}
 
 if dfhack_flags.module then
     return