diff --git a/docs/labwc-actions.5.scd b/docs/labwc-actions.5.scd
index cc61ddb9..93e5fa82 100644
--- a/docs/labwc-actions.5.scd
+++ b/docs/labwc-actions.5.scd
@@ -361,6 +361,17 @@ Actions are used in menus and keyboard/mouse bindings.
Use together with the WarpCursor action to not just hide the cursor but
to additionally move it away to prevent e.g. hover effects.
+**++
+**++
+**
+ Enable, disable or toggle scroll wheel emulation on cursor motion,
+ respectively. This can be useful for trackball mouses to use the
+ rotating ball not just for moving the cursor, but also for (mouse wheel)
+ scrolling.
+
+ See also ** in labwc-config(5) for fine tuning
+ the scroll speed.
+
**++
**++
**