php strtotime() does not return relative time.

Author: Chuan Ma

README.markdown

@@ -27,7 +27,7 @@ point in the future. The classic example is sending an email:
     require 'Resque/Resque.php';
     require 'ResqueScheduler/ResqueScheduler.php';
 
-    $in = strtotime('+5 days');
+    $in = 3600; // trigger the job in 1 hour.
     $args = array('id' => $user->id);
     ResqueScheduler::enqueueIn($in, 'email', 'SendFollowUpEmail', $args);
 
@@ -100,4 +100,4 @@ of the job, the class name of the job, and the job's arguments.
 
 ## Contributors ##
 
-* chrisboulton
+* chrisboulton