diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index e8934f79181a7..b2d8d8c2640e2 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -82,6 +82,7 @@ Changes to the AArch64 Backend
   "tune-cpu" attribute is absent it tunes according to the "target-cpu".
 * Fixed relocations against temporary symbols (e.g. in jump tables and
   constant pools) in large COFF object files.
+* Auto-vectorization now targets SVE by default when available.
 
 Changes to the ARM Backend
 --------------------------