diff --git a/modules/default/calendar/calendar.js b/modules/default/calendar/calendar.js
index d0527408..9ecf1389 100644
--- a/modules/default/calendar/calendar.js
+++ b/modules/default/calendar/calendar.js
@@ -382,7 +382,7 @@ Module.register("calendar", {
 
 			var regParts = needle.match(/^\/(.+)\/([gim]*)$/);
 			if (regParts) {
-			  // the parsed pattern is a regexp. 
+			  // the parsed pattern is a regexp.
 			  needle = new RegExp(regParts[1], regParts[2]);
 			}