Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -153,6 +153,11 @@
 
   Finds unnecessary string initializations.
 
+- New `readability-static-definition-in-anonymous-namespace
+  <http://clang.llvm.org/extra/clang-tidy/checks/readability-static-definition-in-anonymous-namespace.html>`_ check
+
+  Finds static function and variable definitions in anonymous namespace.
+
 Fixed bugs:
 
 - Crash when running on compile database with relative source files paths.