updated the description with the classes information. [Also downloaded a car example]

app.py

@@ -61,7 +61,11 @@ output = [gr.outputs.Label()]
 # it's good practice to pass examples, description and a title to guide users
 examples = [["./content/examples/Frog.jpg"], ["./content/examples/Truck.jpg"]] 
 title = "Image classification"
-description = "Upload an image or select from examples to classify it"
+description = "Upload an image or select from examples to classify it. The allowed classes are - Airplane, Automobile, Bird, Cat, Deer, Dog, Frog, Horse, Ship, Truck"
 
 gr_interface = gr.Interface(infer, input, output, examples=examples, allow_flagging=False, analytics_enabled=False, title=title, description=description).launch(enable_queue=True, debug=False)
 gr_interface.launch()
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