diff --git a/docs/en/pimoroni_trackball.md b/docs/en/pimoroni_trackball.md
index dc554404a..b08ce9f3b 100644
--- a/docs/en/pimoroni_trackball.md
+++ b/docs/en/pimoroni_trackball.md
@@ -34,9 +34,9 @@ trackball = Trackball(
         # act like an encoder, input arrow keys, enter when pressed
         KeyHandler(KC.UP, KC.RIGHT, KC.DOWN, KC.LEFT, KC.ENTER), 
         # on layer 1 and above use the default pointing behavior, left click when pressed
-        PointingHandler(press=KC.MB_LMB),
+        PointingHandler(on_press=KC.MB_LMB),
         # use ScrollDirection.NATURAL (default) or REVERSE to change the scrolling direction, left click when pressed
-        ScrollHandler(scroll_direction=ScrollDirection.NATURAL, press=KC.MB_LMB)
+        ScrollHandler(scroll_direction=ScrollDirection.NATURAL, on_press=KC.MB_LMB)
     ]
 )