Merge branch 'jobs-not-vms' into 'master'

Correct level of isolation when describing jobs on .com

See merge request gitlab-org/gitlab!64224

doc/ci/runners/README.md

@@ -21,7 +21,7 @@ which depends on your [subscription plan](../../subscriptions/gitlab_com/index.m
 
 Linux shared runners on GitLab.com run in autoscale mode and are powered by Google Cloud Platform.
 
-Autoscaling means reduced queue times to spin up CI/CD jobs, and isolated VMs for each project, thus maximizing security. These shared runners are available for users and customers on GitLab.com.
+Autoscaling means reduced queue times to spin up CI/CD jobs, and isolated VMs for each job, thus maximizing security. These shared runners are available for users and customers on GitLab.com.
 
 GitLab offers Ultimate tier capabilities and included CI/CD minutes per group per month for our [Open Source](https://about.gitlab.com/solutions/open-source/join/), [Education](https://about.gitlab.com/solutions/education/), and [Startups](https://about.gitlab.com/solutions/startups/) programs. For private projects, GitLab offers various [plans](https://about.gitlab.com/pricing/), starting with a Free tier.