better comments for JS_DOM_EVENT_ATTRS constant

src/js.rs

@@ -1,9 +1,9 @@
 const JS_DOM_EVENT_ATTRS: &[&str] = &[
-    // From WhatWG HTML spec 8.1.5.2 Event handlers on elements, Document objects, and Window objects:
+    // From WHATWG HTML spec 8.1.5.2 'Event handlers on elements, Document objects, and Window objects':
     //   https://html.spec.whatwg.org/#event-handlers-on-elements,-document-objects,-and-window-objects
     //   https://html.spec.whatwg.org/#attributes-3 (table 'List of event handler content attributes')
 
-    // Global handlers
+    // Global event handlers
     "onabort",
     "onauxclick",
     "onblur",
@@ -71,7 +71,7 @@ const JS_DOM_EVENT_ATTRS: &[&str] = &[
     "onwebkitanimationiteration",
     "onwebkitanimationstart",
     "onwebkittransitionend",
-    // body and frameset elements
+    // Event handlers for <body/> and <frameset/> elements
     "onafterprint",
     "onbeforeprint",
     "onbeforeunload",
@@ -88,7 +88,7 @@ const JS_DOM_EVENT_ATTRS: &[&str] = &[
     "onstorage",
     "onunhandledrejection",
     "onunload",
-    // html element
+    // Event handlers for <html/> element
     "oncut",
     "oncopy",
     "onpaste",