Fix typo

readme.md

@@ -82,7 +82,7 @@ Like `toVFile.write` but synchronous.  Throws an error, if any.
 
 ## Contribute
 
-See [`contribute.md` in `vfile/vfile`][contribute] for ways to get started.
+See [`contributing.md` in `vfile/vfile`][contributing] for ways to get started.
 
 This organisation has a [Code of Conduct][coc].  By interacting with this
 repository, organisation, or community you agree to abide by its terms.
@@ -111,6 +111,6 @@ repository, organisation, or community you agree to abide by its terms.
 
 [promise]: https://developer.mozilla.org/Web/JavaScript/Reference/Global_Objects/Promise
 
-[contribute]: https://github.com/vfile/vfile/blob/master/contributing.md
+[contributing]: https://github.com/vfile/vfile/blob/master/contributing.md
 
 [coc]: https://github.com/vfile/vfile/blob/master/code-of-conduct.md