docs: Minor clean up of Phabricator documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/DeveloperPolicy.rst b/docs/DeveloperPolicy.rst
index 391b43a..e35e729 100644
--- a/docs/DeveloperPolicy.rst
+++ b/docs/DeveloperPolicy.rst
@@ -138,8 +138,7 @@
 on a patch, but only people with Subversion write access can approve it.
 
 There is a web based code review tool that can optionally be used
-for code reviews. See the documentation on `Code Reviews with
-Phabricator <Phabricator.html>`_.
+for code reviews. See :doc:`Phabricator`.
 
 Code Owners
 -----------