Merge branch 'patch-254' into 'master'

Update Kubernetes agent docs to clarify config repo, agent record

See merge request gitlab-org/gitlab!44758

doc/user/clusters/agent/index.md

@@ -111,7 +111,7 @@ gitops:
 ### Create an Agent record in GitLab
 
 Next, create an GitLab Rails Agent record so the Agent can associate itself with
-a GitLab project. Creating this record also creates a Secret needed to configure
+the configuration repository project. Creating this record also creates a Secret needed to configure
 the Agent in subsequent steps. You can create an Agent record either:
 
 - Through the Rails console, by running `rails c`: