clarified text prompt constraints

app.py

@@ -48,7 +48,7 @@ def main():
     st.audio(speaker_file, format='audio/wav')
 
     # Input text 
-    text_input = st.text_area('What do you want your character to say? (Alphabet letters only, DO NOT INCLUDE PUNCTUATION)')
+    text_input = st.text_area('What do you want your character to say? Try to keep the prompt around 2 sentences.')
 
     if st.button('Synthesize'):
       if text_input:
@@ -59,7 +59,7 @@ def main():
           st.header('Synthesized Audio')
           st.audio(output_path, format='audio/wav')
         except:
-          st.error('There was an issue synthesizing the text. Please check the input and try again. Remember, do not include punctuation.')
+          st.error('There was an issue synthesizing the text. Please check the input and try again. Try to keep the input around 2 sentences, and less than 200 characters.')
       else:
         st.error('Please provide a text input!')