Fixed mistake

app.py

@@ -16,8 +16,8 @@ def generate_questions(txt):
     return question
 
 st.set_page_config(page_title='AI Quiz Generator')
-st.subheader('AI Quiz Generator')
-st.subtitle('It generates questions from your notes. How cool is that?')
+st.title('AI Quiz Generator')
+st.subheader('It generates questions from your notes. How cool is that?')
 text_input = st.text_area(
     'Enter your text', 
     value='Algae cells can be used to synthesize lipids for the production of biofuels and foods.',