diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -152,7 +152,8 @@
 Changes to the LLVM tools
 ---------------------------------
 
-* ...
+* llvm-nm and llvm-symbolizer now demangle symbols using Rust v0 mangling
+  scheme.
 
 Changes to LLDB
 ---------------------------------