Update Teacher Setup image: use Assignment Settings screenshot showing Feedback types configuration

README.md

@@ -148,7 +148,7 @@ With the MoDTA feedback plugin installed and the submission plugin configured:
 
 ### Teacher Setup
 
-When creating or editing an assignment, a teacher can enable the DTA Feedback plugin in the **Feedback types** section as shown in Fig. 2. ![Fig. 2: Assignment Settings - Feedback Types](.assets/install_plugin.png)
+When creating or editing an assignment, a teacher can enable the DTA Feedback plugin in the **Feedback types** section as shown in Fig. 2. ![Fig. 2: Assignment Settings - Feedback Types](.assets/assignment_settings.png)
 
 1. **Enable in assignment:**
    - Edit assignment → **Feedback types** section