Update documentation regarding Ci Linter

doc/ci/quick_start/README.md

@@ -104,8 +104,8 @@ Jobs are used to create jobs, which are then picked by
 
 What is important is that each job is run independently from each other.
 
-If you want to check whether your `.gitlab-ci.yml` file is valid, there is a
-Lint tool under the page `/ci/lint` of your GitLab instance. You can also find
+If you want to check whether the `.gitlab-ci.yml` of your project is valid, there is a
+Lint tool under the page `/ci/lint` of your project namespace. You can also find
 a "CI Lint" button to go to this page under **CI/CD ➔ Pipelines** and
 **Pipelines ➔ Jobs** in your project.
 

doc/ci/yaml/README.md

@@ -1526,8 +1526,9 @@ capitalization, the commit will be created but the pipeline will be skipped.
 
 ## Validate the .gitlab-ci.yml
 
-Each instance of GitLab CI has an embedded debug tool called Lint.
-You can find the link under `/ci/lint` of your gitlab instance.
+Each instance of GitLab CI has an embedded debug tool called Lint, which validates the
+content of your `.gitlab-ci.yml` files. You can find the Lint under the page `ci/lint` of your 
+project namespace (e.g, `http://gitlab-example.com/gitlab-org/project-123/ci/lint`)
 
 ## Using reserved keywords