Update "Hidden from all users" term definition's prepositional usage …

…("to"->"for") (#2080)

Co-authored-by: Rahim Abdi <[email protected]>

index.html

@@ -324,7 +324,7 @@ <h1>Important Terms</h1>
 			  <p>Related: <a href="#tree_exclusion">Excluding Elements in the Accessibility Tree</a>, [=element/hidden from all users=], <sref>aria-hidden</sref>.</p>
 			<dt><dfn data-dfn-for="element" data-lt="hide from all users" data-export="">Hidden From All Users</dfn></dt>
 			<dd>
-			  <p>Indicates that the <a>element</a> is not visible, <a>perceivable</a>, or interactive to <em>any</em> user. Note that an <a>element</a> can be [=element/hidden=] but not [=element/hidden from all users=] by using <code>aria-hidden</code>.</p>
+			  <p>Indicates that the <a>element</a> is not visible, <a>perceivable</a>, or interactive for <em>any</em> user. Note that an <a>element</a> can be [=element/hidden=] but not [=element/hidden from all users=] by using <code>aria-hidden</code>.</p>
 			  <p>Related: <a href="#tree_exclusion">Excluding Elements in the Accessibility Tree</a>, [=element/hidden=], <sref>aria-hidden</sref>.<p>
 			</dd>
 			<dt><dfn>Identifies</dfn></dt>