Apply suggestions from code review

Co-authored-by: Elliott Sales de Andrade <[email protected]>

Author: timhoffm

doc/users/next_whats_new/scroll_to_zoom.rst

@@ -1,9 +1,9 @@
 Scroll-to-zoom in GUIs
 ~~~~~~~~~~~~~~~~~~~~~~
 
-When a plot manipulation tool (pan or zoom tool) in plot windows is selected,
-a mouse scroll operation results in a zoom towards the mouse pointer, keeping the
+When a plot manipulation tool (pan or zoom tool) in plot windows is enabled,
+a mouse scroll operation results in a zoom focussing on the mouse pointer, keeping the
 aspect ratio of the axes.
 
 There is no effect if no manipulation tool is selected. This is intentional to
-keep a state in which accidental manipulation of the plot is excluded.
+keep a state in which accidental manipulation of the plot is avoided.

lib/matplotlib/backend_bases.pyi

@@ -409,8 +409,8 @@ def button_press_handler(
 ) -> None: ...
 def scroll_handler(
     event: MouseEvent,
-        canvas: FigureCanvasBase | None = ...,
-        toolbar: NavigationToolbar2 | None = ...,
+    canvas: FigureCanvasBase | None = ...,
+    toolbar: NavigationToolbar2 | None = ...,
 ) -> None: ...
 
 class NonGuiException(Exception): ...