On page *[Usage of /sites][1]*, it should be *[JavaScript][2]*, not *Javascript*:

[![Enter image description here][3]][3]

It probably applies to more than this particular page.

  [1]: https://api.stackexchange.com/docs/sites#filter=default&run=true
  [2]: http://en.wikipedia.org/wiki/JavaScript
  [3]: https://i.sstatic.net/zhd1F.png