Apply changes suggested in the PR

Author: Akshay Gadhave

guides/common/modules/snip_post-upgrade-tasks.adoc

@@ -1,10 +1,10 @@
 . Perform the following post-upgrade tasks to ensure your environment is adjusted to any changes applied during the upgrade.
 .. Verify whether the default templates changed during the upgrade.
-Update any custom templates that you created by cloning the default template, to reflect these changes.
+Update any custom templates that you created by cloning a default template to reflect these changes.
 +
 [NOTE]
 ====
-Use custom provisioning snippets, instead of cloning default templates, for executing custom code before or after the provisioning process.
+Use custom provisioning snippets to execute custom code before or after the provisioning process, instead of cloning default templates.
 You can avoid recreating cloned templates if you use custom provisioning snippets.
 For more information about configuring custom provisioning snippets, see {ProvisioningDocURL}running-custom-code-during-host-provisioning[Running custom code during host provisioning] in _{ProvisioningDocTitle}_.
 ====