diff --git a/scss/_reboot.scss b/scss/_reboot.scss
index fe4af1f936..0b2990130d 100644
--- a/scss/_reboot.scss
+++ b/scss/_reboot.scss
@@ -34,8 +34,7 @@ html {
//
// @viewport is needed because IE 10+ doesn't honor in
// some cases. See http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/.
-// Eventually @viewport will replace . It's been manually
-// prefixed for forward-compatibility.
+// Eventually @viewport will replace .
//
// However, `device-width` is broken on IE 10 on Windows (Phone) 8,
// (see http://timkadlec.com/2013/01/windows-phone-8-and-device-width/ and https://github.com/twbs/bootstrap/issues/10497)