updated the cover

app.py

@@ -92,7 +92,7 @@ with st.expander("How to use this App"):
     st.markdown(about)
 
 # --- Load the image ---
-image = Image.open("visual_undeerstanding.png")
+image = Image.open("visual_understanding.png")
 st.image(image, width=400)
 
 # --- Q and A Tab ---