Edited GitLab-Jenkins integration instructions

doc/integration/jenkins.md

@@ -99,11 +99,15 @@ Set up the Jenkins project you’re going to run your build on.
 1. Check the following checkboxes:
    - **Accepted Merge Request Events**
    - **Closed Merge Request Events**
-1. If you created a **Freestyle** project, choose Publish build status to GitLab in the Post-build Actions section.
-   If you created a **Pipeline** project, you must use a pipeline script to update the status on
-   GitLab. The following is an example pipeline script:
+1. Specify how build status is reported to GitLab:
+   - If you created a **Freestyle** project, in the **Post-build Actions** section, choose
+   **Publish build status to GitLab**.
+   - If you created a **Pipeline** project, you must use a Jenkins Pipeline script to update the status on
+   GitLab.
 
-   ```plaintext
+     Example Jenkins Pipeline script:
+
+      ```groovy
       pipeline {
          agent any