Manual:$wgExtraSubtitle

Site customization: $wgExtraSubtitle
The subtitle to appear under every title.
Introduced in version:pre 1.1.0
Removed in version:1.24.0 (Gerrit change 132583; git #1a098a7a)
Allowed values:(string)
Default value:''

DetailsEdit

The subtitle to appear under every title. From 1.4.0 onwards you can use Mediawiki:Sitesubtitle MediaWiki:Tagline instead.

See alsoEdit