Link to the W3C guide (Choosing a Language Tag) (#41206)

Author: xfq

files/en-us/glossary/bcp_47_language_tag/index.md

@@ -39,4 +39,5 @@ The script subtag precedes the region subtag if both are present — `ru-Cyrl-BY
 ## See also
 
 - [RFC 5646: Tags for Identifying Languages](https://datatracker.ietf.org/doc/html/rfc5646): where BCP 47 language tags are specified.
+- [Choosing a Language Tag](https://www.w3.org/International/questions/qa-choosing-language-tags): W3C guide on choosing the right language tag.
 - [BCP 47 language subtag lookup](https://r12a.github.io/app-subtags/): look up subtag codes for a language.