Fixed minor typo around command in README
Fixed minor typo around command in README

telusdigital/application-pagerduty-dashboard,gondek/pagerduty-dashboard,killerwails/pagerduty-dashboard,telusdigital/pagerduty-dashboard,telusdigital/pagerduty-dashboard,killerwails/pagerduty-dashboard,telusdigital/application-pagerduty-dashboard,gondek/pagerduty-dashboard