Add a line to inform the character limit

Currently the TTS model can handle upto 4096 characters

app.py

@@ -10,7 +10,7 @@ client = OpenAI() # add api_key
 
 def tts(text, model, voice):
     response = client.audio.speech.create(
-        model=model, #"tts-1","tts-1-hd"
+        model=model, #"tts-1-1106","tts-1-hd-1106"
         voice=voice, #'alloy', 'echo', 'fable', 'onyx', 'nova', 'shimmer'
         input=text,
     )
@@ -27,8 +27,9 @@ def tts(text, model, voice):
 
 with gr.Blocks() as demo:
     gr.Markdown("# <center> OpenAI Text-To-Speech API </center>")
+    gr.Markdown("## <center> Enter fewer than 4096 characters </center>")
     with gr.Row():
-      model = gr.Dropdown(choices=['tts-1-1106','tts-1-hd-1106'], label='Model', value='tts-1')
+      model = gr.Dropdown(choices=['tts-1-1106','tts-1-hd-1106'], label='Model', value='tts-1-1106')
       voice = gr.Dropdown(choices=['alloy', 'echo', 'fable', 'onyx', 'nova', 'shimmer'], label='Voice Options', value='alloy')
 
     text = gr.Textbox(label="Input text", placeholder="Input text and press the Text-To-Speech button or press Enter.")