whitespace

Author: coke

CONTRIBUTING.md

@@ -210,7 +210,7 @@ among which these are probably the most common:
 ## Contributing pull requests
 
 If you would like to contribute documentation or other bug fixes, please use
-[GitHub's pull requests (PRs)](https://github.com/Raku/doc/pulls). For a complete 
+[GitHub's pull requests (PRs)](https://github.com/Raku/doc/pulls). For a complete
 recipe for a new PR contributor, check [this PR guide](./CONTRIBUTING_PRs.md).
 
 ## Building the documentation