diff --git a/lib/ago.js b/lib/ago.js
index 2728988..6514fba 100644
--- a/lib/ago.js
+++ b/lib/ago.js
@@ -39,7 +39,7 @@ exports.AGO = function timeago(ms) {
     return part + " months ago";
   }
 
-  if (ago < 315360000) {
+  if (ago < 315360000) { // 10 years
     return "more than year ago";
   }