--- editor_template_src_orig.js	2012-07-25 12:45:39.000000000 +0100
+++ editor_template_src.js	2012-07-25 13:13:00.000000000 +0100
@@ -502,7 +502,13 @@
 			var n, ic, tb, t = this, ed = t.editor, s = t.settings, sc, p, nl;
 
 			if (ed.settings) {
-				ed.settings.aria_label = s.aria_label + ed.getLang('advanced.help_shortcut');
+				// get lang so we only load it once
+				var help_s = ed.getLang('advanced.help_shortcut');
+				
+				// if using wp_editor for the comment textarea, we will be moving TinyMCE around the DOM
+				// so... only add the help text if we don't already have it
+				if ( !ed.settings.aria_label.match( help_s ) ) 
+					ed.settings.aria_label = s.aria_label + help_s;
 			}
 
 			// TODO: ACC Should have an aria-describedby attribute which is user-configurable to describe what this field is actually for.