Each tool button for an edit window which changes text body contains a tooltip with a keyboard hotkey. In all cases except "snippet" hotkey format is Ctrl
+ Letter, for the snippet button
- (minus) is used to combine keys:
My (I know it's minor) request is to replace minus symbol with plus for the snippet tooltip for conformity.
For more uniform also
- (minus) symbol could be added between action description and hotkey combination itself as it's made for Redo and Undo buttons: