Adds explicit rollback to feature-flag rollouts

.gitlab/issue_templates/Feature Flag Roll Out.md

@@ -34,7 +34,9 @@ If applicable, any groups/projects that are happy to have this feature turned on
 - [ ] Test on staging
 - [ ] Ensure that documentation has been updated
 - [ ] Enable on GitLab.com for individual groups/projects listed above and verify behaviour  (`/chatops run feature set --project=gitlab-org/gitlab feature_name true`)
-- [ ] Coordinate a time to enable the flag with `#production` and `#g_delivery` on slack.
+- [ ] Coordinate a time to enable the flag with the SRE oncall and release managers
+  - In `#production` by pinging `@sre-oncall`
+  - In `#g_delivery` by pinging `@release-managers`
 - [ ] Announce on the issue an estimated time this will be enabled on GitLab.com
 - [ ] Enable on GitLab.com by running chatops command in `#production` (`/chatops run feature set feature_name true`)
 - [ ] Cross post chatops Slack command to `#support_gitlab-com` ([more guidance when this is necessary in the dev docs](https://docs.gitlab.com/ee/development/feature_flags/controls.html#where-to-run-commands)) and in your team channel
@@ -42,4 +44,12 @@ If applicable, any groups/projects that are happy to have this feature turned on
 - [ ] Remove feature flag and add changelog entry
 - [ ] After the flag removal is deployed, [clean up the feature flag](https://docs.gitlab.com/ee/development/feature_flags/controls.html#cleaning-up) by running chatops command in `#production` channel
 
+## Rollback Steps
+
+- [ ] This feature can be disabled by running the following Chatops command:
+
+```
+/chatops run feature set --project=gitlab-org/gitlab feature_name false
+```
+
 /label ~"feature flag"