Fix readme typo

[dkhamsing]

Small typo :) #trivial

[ashfurrow-peril[bot]]

	Warnings
:warning:	It looks like code was changed without adding anything to the Changelog. If this is a trivial PR that doesn't need a changelog, add #trivial to the PR title or body.

Generated by :no_entry_sign: dangerJS

[dkhamsing]

🤓

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