Cross-link CI minutes Docs

doc/ci/runners/README.md

@@ -20,6 +20,9 @@ If you are using self-managed GitLab or you want to use your own runners on GitL
 
 On GitLab.com, your jobs can run on [Linux](#linux-shared-runners) or [Windows](#windows-shared-runners-beta).
 
+The shared runners provided by GitLab are limited by [shared runner pipeline minutes quotas](../../user/admin_area/settings/continuous_integration.md#shared-runners-pipeline-minutes-quota)
+for each GitLab [subscription plan](../../subscriptions/gitlab_com/index.md#ci-pipeline-minutes).
+
 ### Linux shared runners
 
 Linux shared runners on GitLab.com run in autoscale mode and are powered by Google Cloud Platform.

doc/user/admin_area/settings/continuous_integration.md

@@ -122,7 +122,7 @@ shared runners per month. Setting this to `0` (default value) grants
 unlimited pipeline minutes. While build limits are stored as minutes, the
 counting is done in seconds. Usage resets on the first day of each month.
 On GitLab.com, the quota is calculated based on your
-[subscription plan](https://about.gitlab.com/pricing/#gitlab-com).
+[subscription plan](../../../subscriptions/gitlab_com/index.md#ci-pipeline-minutes).
 
 To change the pipelines minutes quota: