Switch Example: Correct accessibility features documentation (pull #2054

)

In accessibility features, corrected description of how state is synchronized with text representation of state.

examples/switch/switch.html

@@ -64,7 +64,7 @@ <h2>Accessibility Features</h2>
       <ul>
         <li>
           To make understanding the state of the switch easier for users with visual or cognitive disabilities, a text equivalent of the state (<q>on</q> or <q>off</q>) is displayed adjacent to the graphical state indicator.
-          CSS attribute selectors ensure the label displayed is synchronized with the value of the <code>input</code>.<br/>
+          CSS attribute selectors ensure the label displayed is synchronized with the value of the <code>aria-checked</code> attribute.<br/>
           <strong>NOTE:</strong> To prevent redundant announcement of the state by screen readers, the text indicators of state are hidden from assistive technologies with <code>aria-hidden</code>.
         </li>
         <li>Spacing, border widths and fill are important to ensure the graphical states are visible and discernible to people with visual impairments, including when browser or operating system high contrast settings are enabled: