Yeah, so personally I don't use the shortcuts as much as you might think. (Alfred usually finds me the 1st result.) So, I just faded the shortcut keys out.
Anyway, here's an updated version with darker text and more visible shortcut keys.
https://www.alfredapp.com/extras/theme/DrgbThewRq/
I put it on a white bg so you can see how it looks also.