Tutorial Cleanup

tutorial/3-4-develop-cth.md

@@ -37,9 +37,9 @@ run script `./expose_ingress_grpc.sh`
 
 to test:
 sudo apt-get install nmap
-nmap -p 1010 147.0.0.1  # test if context is reachable
+nmap -p 1010 127.0.0.1  # test if context is reachable
 should retrieve something like:
-$ nmap -p 1010 147.0.0.1
+$ nmap -p 1010 127.0.0.1
 Starting Nmap 7.80 ( https://nmap.org ) at 2022-07-29 15:06 UTC
 Nmap scan report for localhost (127.0.0.1)
 Host is up (0.00035s latency).