Updated mediawiki/extensions
Project: mediawiki/extensions/LogoFunctions  1bf38614955b2d50fa4d698b49210ccfa150fdf1

Fix grammar and punctuation

Reported by Ainali at
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Logofunctions-desc/en

Change-Id: I98ab7ffbc88852ad70d042038f95c903a3dc2a62