Fixing a link in the release notes to appease the Sphinx bot.

llvm-svn: 360346

Author: AaronBallman

clang-tools-extra/docs/ReleaseNotes.rst

@@ -151,8 +151,8 @@ Improvements to clang-tidy
   finds and replaces cases that match the pattern ``var &&
   isa<X>(var)``, where ``var`` is evaluated twice.
 
-- New :doc:`modernize-use-trailing-type-return
-  <clang-tidy/checks/modernize-use-trailing-type-return>` check.
+- New :doc:`modernize-use-trailing-return-type
+  <clang-tidy/checks/modernize-use-trailing-return-type>` check.
 
   Rewrites function signatures to use a trailing return type.