Update configuration.md

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Joe Mooring
2022-08-06 16:27:28 -07:00
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@@ -271,7 +271,10 @@ See [Image Processing Config](/content-management/image-processing/#imaging-conf
**Default value:** ""
A language tag as defined by [RFC 5646](https://datatracker.ietf.org/doc/html/rfc5646). The internal [RSS template](https://github.com/gohugoio/hugo/blob/master/tpl/tplimpl/embedded/templates/_default/rss.xml) populates its `<language>` element with this value. The value is not used elsewhere.
A language tag as defined by [RFC 5646](https://datatracker.ietf.org/doc/html/rfc5646). This value is used to populate:
- The `<language>` element in the internal [RSS template](https://github.com/gohugoio/hugo/blob/master/tpl/tplimpl/embedded/templates/_default/rss.xml)
- The `lang` attribute of the `<html>` element in the internal [alias template](https://github.com/gohugoio/hugo/blob/master/tpl/tplimpl/embedded/templates/alias.html)
### languages