Apply suggestions from code review

Co-authored-by: Mike Bender <[email protected]>

plugins/ui/docs/components/menu.md

@@ -58,7 +58,7 @@ my_open_action_example = open_action_example()
 
 ## Selection
 
-Menu supports multiple selection modes. By default, selection is disabled, however this can be changed using the `selection_mode` prop. Use `default_selected_keys` to provide a default set of selected items (uncontrolled) and `selected_keys` to set the selected items (controlled). The value of the selected keys must match the key prop of the items.
+Menu supports multiple selection modes. By default, selection is disabled, however this can be changed using the `selection_mode` prop. Use `default_selected_keys` to provide a default set of selected items (uncontrolled) or `selected_keys` to set the selected items (controlled). The value of the selected keys must match the key prop of the items.
 
 ```python
 from deephaven import ui

plugins/ui/docs/components/menu_trigger.md

@@ -24,7 +24,7 @@ The `menu_trigger` accepts exactly two children: the element which triggers the
 
 ## Events
 
-`menu_trigger` accepts an `on_open_chnage` handler which is triggered whenever the `menu` is opened or closed.
+`menu_trigger` accepts an `on_open_change` handler which is triggered whenever the `menu` is opened or closed.
 
 ```python
 from deephaven import ui