Update configuring-storage-sizes.adoc

Author: deerskindoll

modules/administration-guide/pages/configuring-storage-sizes.adoc

@@ -63,6 +63,5 @@ pass:[<!-- vale RedHat.CaseSensitiveTerms = YES -->]
 ====
 Manually modifying a PVC on the cluster that was provisioned by {prod-short} is not officially supported and may result in unexpected consequences.
 
-If you want to resize a PVC,
-modify the default workspace storage size in the `CheCluster` custom resource and restart the workspace.
+If you want to resize a PVC that is in use by a workspace, you must restart the workspace must before the PVC change can occur.
 ====