diff --git a/index.html b/index.html
index f4fef22d7..ff3f2e058 100644
--- a/index.html
+++ b/index.html
@@ -6029,8 +6029,13 @@
Note regarding the ARIA 1.1 none
role.
Otherwise, if a user agent provides an implicit aria-selected value for an option, the value SHOULD be false
.
- Authors MAY indicate selection for option elements using either aria-selected or aria-checked.
- Some user interfaces indicate selection with aria-selected in single-select list boxes and with aria-checked in multi-select list boxes.
+ Authors SHOULD indicate selection for option elements using one of the following:
+
+
+ - An aria-selected value of
true
on the selected option within a single-select listbox, and optionally aria-selected values of false
on unselected options.
+ - Either aria-selected or aria-checked on all options within a multi-select listbox, with a value of
true
on selected options, and a value of false
on unselected options.
+
+
Authors SHOULD NOT specify both aria-selected and aria-checked on option elements contained by the same listbox except in the extremely rare circumstances where all the following conditions are met: