Fix README for Dockerfile
Fix README for Dockerfile

cloudsoft/clocker-cloudsoft-releases,Graeme-Miller/clocker,brooklyncentral/clocker,andreaturli/clocker,aledsage/clocker,googlielmo/clocker,mikezaccardo/clocker,cloudsoft/clocker-cloudsoft-releases,cloudsoft/clocker-cloudsoft-releases,andreaturli/clocker,andreaturli/clocker,andreaturli/clocker,sjcorbett/clocker,cloudsoft/clocker-cloudsoft-releases