Rename chapter number

chapter16/README.md

@@ -1,11 +1,11 @@
-# Chapter 17
+# Chapter 16
 
-Code accompanying Chapter 17 of the book [Data Pipelines with Apache Airflow](https://www.manning.com/books/data-pipelines-with-apache-airflow).
+Code accompanying Chapter 16 of the book [Data Pipelines with Apache Airflow](https://www.manning.com/books/data-pipelines-with-apache-airflow).
 
 The chapter explains the different options of deploying Airflow in Kubernetes. For executing these deployment commands a docker compose based Kubernetes cluster is available in this chapters `docker-compose.yml` provided with this repository. To start this cluster setup the following command can be used:
 
 ```bash
-docker-compose up -d
+docker compose up -d
 ```
 
 !! **This setup requires more resources so it is good to at least give docker 4 CPU and 8GB memory**
@@ -17,7 +17,7 @@ docker-compose up -d
 To work with the kubernetes cluster a separate container is available to execute `kubectl` and `helm` commands against the cluster
 
 ```bash
-docker exec -ti chapter17-k3s-cli-1 /bin/bash
+docker exec -ti chapter16-k3s-cli-1 /bin/bash
 ```
 
 #### K9s or local kubectl as an alternative