From Katapult

Katapult settings

There are various catalog and display plugins available for katapult, some configurable, just like katapult itself. But, how to reach this configuration area? This is simple, just follow these steps:

1) Get the katapult launcher to show (usually alt space).
2) Press ctrl C.  This gives you a context menu at your mouse cursor.
3) Select "Configure katapult"
4) ??? Change settings?
5) Profit!

If you want to change the alt space keyboard shortcut, Select "Configure global keyboard shortcuts" instead.