Update app.py

app.py

@@ -326,7 +326,7 @@ def main():
 
     st.title("YouTube Video Summarizer 🎥")
     st.markdown('<style>h1{color: orange; text-align: center;}</style>', unsafe_allow_html=True)
-    st.subheader('Built with the GPT2, Streamlit and ❤️')
+    st.subheader('Built with the GPT-3.5, Streamlit and ❤️')
     st.markdown('<style>h3{color: pink;  text-align: center;}</style>', unsafe_allow_html=True)
 
     # Expander for app details