Update app.py

app.py

@@ -1,8 +1,11 @@
 import streamlit as st
 import langcodes
 
+st.write("# Language code/tag search")
+st.write("Fed up with language tag confusion? Here's your one-stop shop!")
 # https://huggingface.co/blog/streamlit-spaces
 # https://github.com/psf/requests-html
+# https://docs.streamlit.io/library/api-reference/write-magic/st.write
 langtext = st.text_input("language lookup using https://github.com/rspeer/langcodes, see also https://r12a.github.io/app-subtags/", "english")
 
 st.write("Checking whether the tag is valid. That is, the language, script, territory, and variants (if present) are all tags that have meanings assigned by IANA.")
@@ -84,5 +87,5 @@ if lang is not None:
   st.write(broader_tags)
   st.write(f"Try also: https://r12a.github.io/app-subtags/?lookup={lang}")
   st.write(f"https://glottolog.org/glottolog?search={t_variant} may be of interest, with links to Ethnologue, etc. If that doesn't work, try https://glottolog.org/glottolog?search={b_variant}")
-  st.write(f"Correct, standardized, BCP-47 tag for {langtext}, according to the langcodes library: {langcodes.standardize_tag(lang)}")
+  st.write(f"## Correct, standardized, BCP-47 tag for {langtext}, according to the langcodes library: {langcodes.standardize_tag(lang)}")