Update Introduction.mdx

Author: kodjima33

docs/docs/developer/apps/Introduction.mdx

@@ -22,7 +22,7 @@ Create webhook using [webhook.site](https://webhook.site) and copy this url
 
 <img src="https://github.com/user-attachments/assets/083a6ec4-4694-4c7a-843a-4a1a0c254453" width="500"/>
 
-In omi App:
+In omi App, select "connect omi device" and then:
 
 | Explore => Create an App | Select Capability | Paste Webhook URL | Install App |
 |-------------------------|-------------------|-------------------|--------------|