Update add-on to include transfer

doc/subscriptions/gitlab_com/index.md

@@ -292,17 +292,20 @@ for more information.
 You can [purchase additional minutes](../../ci/pipelines/cicd_minutes.md#purchase-additional-cicd-minutes)
 for your personal or group namespace.
 
-## Storage subscription
+## Add-on subscription for additional Storage and Transfer
+
+NOTE:
+Free namespaces are subject to a 5GB storage and 10GB transfer [soft limit](https://about.gitlab.com/pricing). Once all storage is available to view in the usage quota workflow, GitLab will automatically enforce the namespace storage limit and the project limit will be removed. This change will be announced separately. The storage and transfer add-on can be purchased to increase the limits.
 
 Projects have a free storage quota of 10 GB. To exceed this quota you must first [purchase one or
-more storage subscription units](#purchase-more-storage). Each unit provides 10 GB of additional
+more storage subscription units](#purchase-more-storage-and-transfer). Each unit provides 10 GB of additional
 storage per namespace. A storage subscription is renewed annually. For more details, see
 [Usage Quotas](../../user/usage_quotas.md).
 
 When the amount of purchased storage reaches zero, all projects over the free storage quota are
 locked. Projects can only be unlocked by purchasing more storage subscription units.
 
-### Purchase more storage
+### Purchase more storage and transfer
 
 You can purchase storage for your personal or group namespace.
 

doc/user/usage_quotas.md

@@ -49,7 +49,7 @@ The following storage usage statistics are available to an owner:
 
 Excess storage usage is the amount that a project's repository exceeds the free storage quota. If no
 purchased storage is available the project is locked. You cannot push changes to a locked project.
-To unlock a project you must [purchase more storage](../subscriptions/gitlab_com/index.md#purchase-more-storage)
+To unlock a project you must [purchase more storage](../subscriptions/gitlab_com/index.md#purchase-more-storage-and-transfer)
 for the namespace. When the purchase is completed, locked projects are automatically unlocked. The
 amount of purchased storage available must always be greater than zero.