[css3-syntax] Reword the important matching text.

Author: tabatkins

css3-syntax/Overview.html

@@ -3144,9 +3144,9 @@ <h4 id=declaration-important-mode><span class=secno>3.5.9. </span> <dfn
 
    <dd> Do nothing. Remain in this mode.
 
-   <dt>ident token with a value of "important", matched <a
-    href="#ascii-case-insensitive"><i
-    title="ASCII case-insensitive">ASCII-case-insensitively</i></a>
+   <dt>ident token whose value is an <a
+    href="#ascii-case-insensitive"><i>ASCII case-insensitive</i></a> match
+    for "important"
 
    <dd> If the <a href="#current-declaration"><i>current declaration</i></a>
     is one that can be made important, set the important flag of the <a

css3-syntax/Overview.src.html

@@ -2603,7 +2603,7 @@ <h4>
 			Do nothing.
 			Remain in this mode.
 
-		<dt>ident token with a value of "important", matched <i title="ASCII case-insensitive">ASCII-case-insensitively</i>
+		<dt>ident token whose value is an <i>ASCII case-insensitive</i> match for "important"
 		<dd>
 			If the <i>current declaration</i> is one that can be made important,
 			set the important flag of the <i>current declaration</i> to true,