diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index c284b9cbc45..364ac9e726b 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -377,7 +377,9 @@ Release Notes.
- Bug fixes and improved support for AVX1
- Support for AVX2 (still incomplete at this point)
- - ....
+ - Call instructions use the new register mask operands for faster compile
+ times and better support for different calling conventions. The old WINCALL
+ instructions are no longer needed.