Update 03 - Sagas.md
Update 03 - Sagas.md

Corrected first step, specifying actual method name.
jbogard/Workshop.Microservices,adamralph/Workshop.Microservices,adamralph/Workshop.Microservices,jbogard/Workshop.Microservices,adamralph/Workshop.Microservices,jbogard/Workshop.Microservices