slight spelling mistake in the readme
slight spelling mistake in the readme

Signed-off-by: Hamish Rickerby <40652f744fbd0f31b7448f45c6aba43a6a86efd4@glimmerdesign.com>
zenati/feedjira,IFTTT/feedjira,pulkit21/feedjira,iitgiq/feedjira,jfiorato/feedjira,bakshi41c/feedjira,davoclavo/feedjira