Explain setup steps

README.md

@@ -48,9 +48,10 @@ The user can also print the detail view with a print button on the detail view.
 
 ## Setup
 
-- `rake db:create`
-- `rake db:migrate`
-- `rails server`
+- `rake db:create` to create the database
+- `rake db:migrate` to do the migrations
+- `rails server` to start the web server
+- The web interface is accessible by default on `http://localhost:3000`
 
 ## Authors