add explicit instructions

app.py

@@ -34,6 +34,7 @@ if model_name is not None:
     # Instructions
     st.write("If you choose to upload an image, the attention map will be displayed.")
     st.write("The attention map will highlight the regions of the image that the model is focusing on.")
+    st.write("The model is trained to focus on different parts of the salient objects in the image based on the dataset.")
     st.write("If you choose one of the CUB or NABirds models, please choose a bird image.")
     st.write("If you choose one of the Flower models, please choose a flower image.")
     st.write("If you choose one of the PartImageNet models, please choose an images of classes from PartImageNet like land animals/birds/cars/bottles/airplanes.")