Apply suggestion to doc/ci/yaml/README.md

doc/ci/yaml/README.md

@@ -634,7 +634,7 @@ This means the keys are treated as if joined by an OR. This relationship could b
 In the example below, the `test` job will **not** be created when **any** of the following are true:
 
 - The pipeline runs for the `master`.
-- There are changes to the README.md file in the root directory of the repo.
+- There are changes to the `README.md` file in the root directory of the repo.
 
 ```yaml
 test: