Auto merge of #13511 - nerith:doc, r=jdm
Auto merge of #13511 - nerith:doc, r=jdm

README.md: Make keyboard shortcut syntax similar

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors

- [X] These changes do not require tests because it only changes documentation

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