diff --git a/4chan_x.user.js b/4chan_x.user.js
index ab0d06943..030f9af2c 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -412,20 +412,16 @@
     },
     isDST: function() {
       /*
-            http://en.wikipedia.org/wiki/Daylight_saving_time_in_the_United_States
-            Since 2007, daylight saving time starts on the second Sunday of March
-            and ends on the first Sunday of November, with all time changes taking
-            place at 2:00 AM (0200) local time.
-      
             http://en.wikipedia.org/wiki/Eastern_Time_Zone
             Its UTC time offset is −5 hrs (UTC−05) during standard time and −4
             hrs (UTC−04) during daylight saving time.
       
-            Standard time:
-            0200 EST (UTC-05) = 0700 UTC
+            Since 2007, the local time changes at 02:00 EST to 03:00 EDT on the second
+            Sunday in March and returns at 02:00 EDT to 01:00 EST on the first Sunday
+            in November, in the U.S. as well as in Canada.
       
-            Dalyight saving time:
-            0200 EST (UTC-04) = 0600 UTC
+            0200 EST (UTC-05) = 0700 UTC
+            0200 EDT (UTC-04) = 0600 UTC
           */
       var D, date, day, hours, month, sunday;
       D = new Date();
diff --git a/script.coffee b/script.coffee
index a8fa44c98..accbde740 100644
--- a/script.coffee
+++ b/script.coffee
@@ -285,20 +285,16 @@ $.extend $,
     el.removeEventListener eventType, handler, false
   isDST: ->
     ###
-      http://en.wikipedia.org/wiki/Daylight_saving_time_in_the_United_States
-      Since 2007, daylight saving time starts on the second Sunday of March
-      and ends on the first Sunday of November, with all time changes taking
-      place at 2:00 AM (0200) local time.
-
       http://en.wikipedia.org/wiki/Eastern_Time_Zone
       Its UTC time offset is −5 hrs (UTC−05) during standard time and −4
       hrs (UTC−04) during daylight saving time.
 
-      Standard time:
-      0200 EST (UTC-05) = 0700 UTC
+      Since 2007, the local time changes at 02:00 EST to 03:00 EDT on the second
+      Sunday in March and returns at 02:00 EDT to 01:00 EST on the first Sunday
+      in November, in the U.S. as well as in Canada.
 
-      Dalyight saving time:
-      0200 EST (UTC-04) = 0600 UTC
+      0200 EST (UTC-05) = 0700 UTC
+      0200 EDT (UTC-04) = 0600 UTC
     ###
 
     D = new Date()