Fix link to 'when delayed' YAML configuration item

doc/ci/pipelines.md

@@ -197,9 +197,9 @@ stage has a job with a manual action.
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21767) in GitLab 11.4.
 
-When you do not want to run a job immediately, you can [delay the job to run after a certain period](yaml/README.md#delayed).
+When you do not want to run a job immediately, you can [delay the job to run after a certain period](yaml/README.md#when-delayed).
 This is especially useful for timed incremental rollout that new code is rolled out gradually.
-For example, if you start rolling out new code and users do not experience trouble, GitLab automatically completes the deployment from 0% to 100%. 
+For example, if you start rolling out new code and users do not experience trouble, GitLab automatically completes the deployment from 0% to 100%.
 Alternatively, if you start rolling out and you noticed that a few users experience trouble with the version,
 you can stop the timed incremental rollout by canceling the pipeline, and [rolling](environments.md#rolling-back-changes) it back to the stable version.