Update app.py

app.py

@@ -8,7 +8,7 @@ st.sidebar.title("🌸 BigScience")
 st.sidebar.markdown("## BigSciene RAIL License v1.0")
 st.sidebar.markdown(f"This is the home of the BigScience RAIL License v1.0.\
 If you would like to download the license you can get it as [.txt]({txt_link}), \
-[.docx]({docx_link}), or [.html]({html}) file.")
+[.docx]({docx_link}), or [.html]({html_link}) file.")
 
 with open("BLOOMLICENSE.html", "r") as f:
     license_html = f.read()