diff --git a/ChangeLog b/ChangeLog
index 5478899..dd52203 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -174,6 +174,9 @@ and patterns such as a*a need the former action).
 after a successful compile, instead of at the start of matching to avoid a
 sanitizer complaint (regexec is supposed to be thread safe).
 
+37. Add NEON vectorization to JIT to speed up matching of first character and
+pairs of characters on ARM64 CPUs.
+
 
 Version 10.33 16-April-2019
 ---------------------------