Improve formta.

Author: steveperry-53

docs/home/contribute/generated-reference/kubernetes-components.md

@@ -26,25 +26,19 @@ and your `$GOPATH` environment variable must be set.
 
 ## TODO
 
-If you don't already have a `$GOPATH/src` directory, create one now:
-
-```shell
-mkdir $GOPATH/src
-```
-
 If you don't already have the Kubernetes source code, get it now:
 
-
 ```shell
+mkdir $GOPATH/src
 cd $GOPATH/src
 go get github.com/kubernetes/kubernetes
 ```
 
 Determine the base directory of your clone of the
 [kubernetes/kubernetes](https://github.com/kubernetes/kubernetes) repository.
-For example, if you followed the preceding steps to get the Kubernetes source
+For example, if you followed the preceding step to get the Kubernetes source
 code, you base directory is `$GOPATH/src/github.com/kubernetes/kubernetes.`
-The following steps refer to your base directory as `<k8s-base>`,
+The remaining steps refer to your base directory as `<k8s-base>`.
 
 Run the doc generation script:
 
@@ -53,7 +47,7 @@ cd <k8s-base>
 hack/generate-docs.sh
 ```
 
-The script calls several Golang programs to generate several sets of reference docs:
+The script calls several Golang programs to generate several sets of reference docs.
 
 ##  gen_kubectl_docs.go