Update app.py

app.py

@@ -71,7 +71,7 @@ def main():
 
     st.write("---")
     st.markdown(
-        "Built by [@aseifert](https://twitter.com/therealaseifert) during the HF community event – 👨\u200d💻 [GitHub repo](https://github.com/aseifert/hf-writing-assistant) – 🤗 Team Writing Assistant"
+        "Built by [@therealaseifert](https://twitter.com/therealaseifert) during the HF community event – 👨\u200d💻 [GitHub repo](https://github.com/aseifert/hf-writing-assistant) – 🤗 Team Writing Assistant"
     )
     st.markdown(
         "_Highlighting code thanks to [Gramformer](https://github.com/PrithivirajDamodaran/Gramformer)_"