change sentence structure as suggested

Author: adguernier

docs/AuthRBAC.md

@@ -632,9 +632,11 @@ const ProductShow = () => (
 
 Replacement for the `<TabbedShowLayout.Tab>` that only renders a tab if the user has the right permissions.
 
-Add a `name` prop to the `<Tab>` to define the resource on which the user needs to have the 'read' permissions for.
-Then, to display a particular `<Tab>` update permissions definition as follows: `{ action: 'read', resource: '${resource}.tab.${source}' }`. 
-> For instance, to allow user access `<Tab label="Description" name="description">` in product resource, add this line in permissions: `{ action: 'read', resource: 'products.tab.description' }`. 
+Add a `name` prop to the `<Tab>` so you can reference it in the permissions.
+Then, to allow users to access a particular `<Tab>`, update the permissions definition as follows: `{ action: 'read', resource: '{RESOURCE}.tab.{NAME}' }`, where `RESOURCE` is the resource name, and `NAME` the name you provided to the `<Tab>`.
+
+> For instance, to allow users access to the following tab `<Tab label="Description" name="description">` in `product` resource, add this line in permissions: `{ action: 'read', resource: 'products.tab.description' }`. 
+
 
 `<Tab>` also only renders the child fields for which the user has the 'read' permissions.