Correct inaccurate description of [hidden] rule

Author: necolas

normalize.css

@@ -1,4 +1,4 @@
-/*! normalize.css 2011-08-03T09:41 UTC · http://github.com/necolas/normalize.css */
+/*! normalize.css 2011-08-10T00:55 UTC · http://github.com/necolas/normalize.css */
 
 /* =============================================================================
    HTML5 display definitions
@@ -42,7 +42,8 @@ audio:not([controls]) {
 }
 
 /*
- * Addresses styling for 'hidden' attribute not present in IE6/7/8/9, FF3, S4
+ * Addresses styling for 'hidden' attribute not present in IE7/8/9, FF3, S4
+ * Known issue: no IE6 support
  */
 
 [hidden] {