Quick-guide-to-translating-MathJax.md

-If you wish to add or update translations of MathJax, please do it on [TranslateWiki.net](https://translatewiki.net/w/i.php?title=Special:Translate&group=out-mathjax-0-all) (and while you're there you can help other open source projects, too!). 
+If you wish to add or update translations of MathJax, please do it on [TranslateWiki.net](https://translatewiki.net/wiki/Translating:MathJax) (and while you're there you can help other open source projects, too!). 
 
 For bug reports and other questions that don't fit on TranslateWiki.net, head over to the [mathjax/mathjax-i18n](https://github.com/mathjax/MathJax-i18n) repository.