Update README.md

spring-cloud/spring-cloud-bootstrap/README.md

@@ -11,6 +11,7 @@ This module contains articles about bootstrapping Spring Cloud applications
 
 ### Running the Project
 
+- First, you need a redis server running on the default port
 - To run the project:
   - copy the appliction-config folder to c:\Users\{username}\ on Windows or /home/{username}/ on *nix. Then open a git bash terminal in application-config and run:
     - git init