Merge branch 'docs/ci-ssh-keys' into 'master'

Make usage of SSH keys in CI/CD more clear

Closes #25716

See merge request gitlab-org/gitlab-ce!15790

doc/ci/variables/README.md

@@ -213,14 +213,15 @@ An example project service that defines deployment variables is
 ## Debug tracing
 
 > Introduced in GitLab Runner 1.7.
->
-> **WARNING:** Enabling debug tracing can have severe security implications. The
-  output **will** contain the content of all your secret variables and any other
-  secrets! The output **will** be uploaded to the GitLab server and made visible
-  in job traces!
+
+CAUTION: **Warning:**
+Enabling debug tracing can have severe security implications. The
+output **will** contain the content of all your secret variables and any other
+secrets! The output **will** be uploaded to the GitLab server and made visible
+in job traces!
 
 By default, GitLab Runner hides most of the details of what it is doing when
-processing a job. This behaviour keeps job traces short, and prevents secrets
+processing a job. This behavior keeps job traces short, and prevents secrets
 from being leaked into the trace unless your script writes them to the screen.
 
 If a job isn't working as expected, this can make the problem difficult to

doc/user/project/pipelines/settings.md

@@ -68,7 +68,7 @@ in the pipelines settings page.
 
 Access to pipelines and job details (including output of logs and artifacts)
 is checked against your current user access level and the **Public pipelines**
-project setting.
+project setting under your project's **Settings > CI/CD > General pipelines settings**.
 
 If **Public pipelines** is enabled (default):