Update Admin Notification ReadMe

Author: diazwatson

app/code/Magento/AdminNotification/README.md

@@ -4,9 +4,9 @@ The Magento_AdminNotification module provides the ability to alert administrator
 
 ## Installation details
 
-Before disable or uninstall this module, please note that Magento_Indexer module depends on this module.
+Before disabling or uninstalling this module, note that the Magento_Indexer module depends on this module.
 
-For information about a module installation in Magento 2, see [Enable or disable modules](http://devdocs.magento.com/guides/v2.3/install-gde/install/cli/install-cli-subcommands-enable.html).
+For information about module installation in Magento 2, see [Enable or disable modules](http://devdocs.magento.com/guides/v2.3/install-gde/install/cli/install-cli-subcommands-enable.html).
 
 ### Events
 
@@ -16,14 +16,15 @@ This module observes the following events:
 
 ### Layouts
 
-This module introduces the following layouts handle in the `view/adminhtml/layout` directory:
+This module introduces the following layouts and layout handles in the `view/adminhtml/layout` directory:
 
 - `adminhtml_notification_index`
+- `adminhtml_notification_block`
 
-For more information about a layout in Magento 2, see the [Layout documentation](http://devdocs.magento.com/guides/v2.3/frontend-dev-guide/layouts/layout-overview.html).
+For more information about layouts in Magento 2, see the [Layout documentation](http://devdocs.magento.com/guides/v2.3/frontend-dev-guide/layouts/layout-overview.html).
 
 ### UI components
 
-You can extend admin notifications using the configuration file in `view/adminhtml/ui_component/notification_area.xml`
+You can extend admin notifications using the `view/adminhtml/ui_component/notification_area.xml` configuration file.
 
-For information about a UI component in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.3/ui_comp_guide/bk-ui_comps.html).
+For information about UI components in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.3/ui_comp_guide/bk-ui_comps.html).