Updated language for Kubernetes executor

doc/ci/docker/using_docker_build.md

@@ -548,7 +548,7 @@ kubectl create configmap docker-daemon --namespace gitlab-runner --from-file /tm
 ```
 
 NOTE:
-Make sure to use the namespace that the GitLab Runner Kubernetes executor uses
+Make sure to use the namespace that the Kubernetes executor for GitLab Runner uses
 to create job pods in.
 
 After the ConfigMap is created, you can update the `config.toml`

doc/development/testing_guide/review_apps.md

@@ -233,7 +233,7 @@ that were not removed along with the Kubernetes resources.
 The cluster is configured via Terraform in the [`engineering-productivity-infrastructure`](https://gitlab.com/gitlab-org/quality/engineering-productivity-infrastructure) project.
 
 Node pool image type must be `Container-Optimized OS (cos)`, not `Container-Optimized OS with Containerd (cos_containerd)`,
-due to this [known issue on GitLab Runner Kubernetes executor](https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4755)
+due to this [known issue on the Kubernetes executor for GitLab Runner](https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4755)
 
 ### Helm