fix function name in quick start (#784)

* fix function name in quick start

fixes #783

* Fix another typo

docs/quick-start.md

@@ -121,7 +121,7 @@ $ kubectl proxy -p 8080 &
 
 $ curl -L --data '{"Another": "Echo"}' \
   --header "Content-Type:application/json" \
-  localhost:8080/api/v1/namespaces/default/services/get-python:http-function-port/proxy/
+  localhost:8080/api/v1/namespaces/default/services/hello:http-function-port/proxy/
 {"Another": "Echo"}
 ```
 
@@ -132,7 +132,7 @@ Kubeless also supports [ingress](https://kubernetes.io/docs/concepts/services-ne
 You can delete the function and uninstall Kubeless:
 
 ```console
-$ kubeless function delete test
+$ kubeless function delete hello
 
 $ kubeless function ls
 NAME        NAMESPACE   HANDLER     RUNTIME     DEPENDENCIES    STATUS