Update templates/index.html

templates/index.html

@@ -296,7 +296,7 @@ Drag & drop or paste (Ctrl+V) an MRI image
     <div class="result-msg" style="margin-bottom:10px;">
       Brain-only MRI slice (no skull visible).
     </div>
-    <img src="{{ url_for('static', filename='assets/brain/supportedexample.jpg') }}" alt="Supported example: brain-only MRI">
+    <img src="{{ url_for('static', filename='assets/brain/unsupportedexample.jpg') }}" alt="Supported example: brain-only MRI">
   </div>
 
   <div style="margin-top:16px;">
@@ -304,7 +304,7 @@ Drag & drop or paste (Ctrl+V) an MRI image
     <div class="result-msg" style="margin-bottom:10px;">
       Skull visible — please upload a brain-only slice.
     </div>
-    <img src="{{ url_for('static', filename='assets/brain/unsupportedexample.jpg') }}" alt="Unsupported example: skull visible">
+    <img src="{{ url_for('static', filename='assets/brain/supportedexample.jpg') }}" alt="Unsupported example: skull visible">
   </div>
 </div>
 </div>