Fix a couple of typo errors

app.py

@@ -21,7 +21,7 @@ def main():
     title = '🎙️ Meetings Note Taker 🎙️'
     st.title(title)
     st.write(
-        'Upload an audio file, transcribe it using Assembly.AI, and sgenerate meeting notes using your selected model.'
+        'Upload an audio file, transcribe it using WhisperX, GoogleCloud or Assembly.AI, and generate meeting notes using your selected model.'
     )
 
     openai_api_key = os.environ.get('OPENAI_API_KEY') or st.text_input(
@@ -75,7 +75,7 @@ def main():
                 st.markdown(f'### Summary:')
                 st.write(summary)
             else:
-                st.error('We need valid OpenAI and AssemblyAI API keys')
+                st.error('We need valid OpenAI API keys')
 
 
 if __name__ == '__main__':