Update app.py

app.py

@@ -174,7 +174,7 @@ def main():
     )
 
     st.sidebar.write("#### 4. Share your label!")
-    st.sidebar.write("## [Guidelines](https://huggingface.github.io/AIEnergyScore/#transparency-and-guidelines-for-label-use)")    
+    st.sidebar.write("[Guidelines](https://huggingface.github.io/AIEnergyScore/#transparency-and-guidelines-for-label-use)")    
     st.sidebar.markdown("<hr style='border: 1px solid gray; margin: 15px 0;'>", unsafe_allow_html=True)
     st.sidebar.write("### Key Links")
     st.sidebar.markdown(