diff --git a/code/utils_misc.js b/code/utils_misc.js
index 987cb81d..dc9c6a6f 100644
--- a/code/utils_misc.js
+++ b/code/utils_misc.js
@@ -359,7 +359,7 @@ window.updateDisplayedLayerGroup = function(name, display) {
 
 // Read layerGroup status from window.overlayStatus if it was added to map,
 // read from cookie if it has not added to map yet.
-// return true if both overlayStatus and cookie didn't have the record
+// return 'defaultDisplay' if both overlayStatus and cookie didn't have the record
 window.isLayerGroupDisplayed = function(name, defaultDisplay) {
   if(typeof(overlayStatus[name]) !== 'undefined') return overlayStatus[name];