Add clarification about handwritten text datasets

app.py

@@ -73,6 +73,8 @@ def main():
             1. Select which model you want to use.
             2. Upload your own image, choose from the examples below, or draw on the canvas.
             3. Click **Read Image** or **Read Drawing**.
+
+            *NOTE*: None of these models were trained on handwritten text datasets.
         """)
         model_name = gr.Radio(app.models, value=app.models[0], label='The STR model to use')
         with gr.Row():