Update rbac.md

Updating mobile docs to reflect new information architecture. This change shouldn't go out until it is merged. This is specific to 1.9.0

docs/fleet/rbac.md

@@ -52,9 +52,9 @@ The option to grant additional access is only visible if you can grant the user
 
 ### Use the mobile app
 
-You can also use the [Viam mobile app](/fleet/#the-viam-mobile-app) to grant or revoke org owner or operator access to users on the go.
-Navigate to **Home** on the mobile app, and select your organization.
-Click the gear icon in the upper right corner to access the mobile organization settings page.
+You can also use the [Viam mobile app](/fleet/#the-viam-mobile-app) to grant or revoke organization owner or operator access to users on the go.
+Navigate to your organizations on the mobile app by swiping left to right or clicking on the menu in the top left corner. 
+Click the gear icon associated with the organization where you want to manage access or invite new people. 
 
 ## API keys