wrong keyboard shortcut displayed

Hello,

I'm using Xfce-4.18 under Siduction and notice strange behaviour in Window Manager -> Keyboard tab...

I changed keyboard shortcuts in Xfce's Window Manager (keyboard tab) to e.g. use "Super+x" for switching to "x" workspace - I'm using 8 of them.

Although I changed them and they do work, still Xfce does not display the changed shortcut as could be seen on the image below:

https://ibb.co/ysgXFzY

Any idea?

Sincerely,
Gour

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See also: https://forum.xfce.org/viewtopic.php?id=17841