mention button available from deploys UI as well as project overview

Author: rosieyohannan

docs/guides/modules/deploy/pages/set-up-rollbacks.adoc

@@ -129,7 +129,7 @@ Once the pull request is merged, the rollback setup is complete. You can now use
 
 == Perform a rollback
 
-To perform a rollback using the rollback pipeline follow these steps:
+To perform a rollback using the rollback pipeline you can select the btn:[Rollback] button on the project overview page or from the deploys UI. The following steps show how to perform a rollback from the project overview page:
 
 . In the link:https://app.circleci.com[CircleCI web app], select your org from the org cards on your user homepage.
 . Select **Projects** from the sidebar and locate your project from the list. You can use the search to help.
@@ -141,8 +141,8 @@ image::guides:ROOT:deploy/rollback-execution-modal.png[Rollback execution modal]
 +
 The modal displays several configuration options with parameters auto-filled based on your rollback configuration. The following sections explain each required property:
 +
-*Component Name*:: This is the name of the component you wish to rollback. If your project deploys multiple components, this helps you choose a specific component you want to rollback.
-*Environment Name*:: This is the environment in which you wish to perform the rollback.
+*Component Name*:: The name of the component you wish to rollback. If your project deploys multiple components, this helps you choose a specific component you want to rollback.
+*Environment Name*:: The environment in which you wish to perform the rollback.
 *Current Version*:: Once you choose the component name and environment name, this will display all possible current versions. More often than not there should be just one current version available. You could have two in case a new progressive release is ongoing. Choose the version you believe is the current version of your component. To help you out, the relevant commit information is also displayed alongside the version.
 *Target Version*:: Choose the version you wish to rollback to. To help you out, the relevant commit information is also displayed alongside the version.
 *Namespace*:: This is optional. In case you use Kubernetes and do your deployments to a specific namespace, mention your namespace here, otherwise leave it empty.