Apply suggestion to doc/ci/pipelines.md

doc/ci/pipelines.md

@@ -171,10 +171,12 @@ section_end:1560896353:my_first_section\r\e[0K
 
 Where `1560896352` is the unix time the section started or ended; `my_first_section` is a section name; and `\e[0K` is the clear line ANSI escape code. For example, a shell script can demark a collapsible section with:
 
-```sh
-echo -e "section_start:`date +%s`:my_first_section\r\e[0KHeader of the 1st collapsible section"
-echo 'this line should be hidden when collapsed'
-echo -e "section_end:`date +%s`:my_first_section\r\e[0K"
+```yaml
+job1:
+  script:
+    - echo -e "section_start:`date +%s`:my_first_section\r\e[0KHeader of the 1st collapsible section"
+    - echo 'this line should be hidden when collapsed'
+    - echo -e "section_end:`date +%s`:my_first_section\r\e[0K"
 ```
 
 ## Configuring pipelines