diff -r 4df0f5739386 -r 377d71ef7201 template/registration/activation_email.txt
--- a/template/registration/activation_email.txt	Mon Oct 12 20:01:12 2009 +0530
+++ b/template/registration/activation_email.txt	Mon Oct 12 20:03:31 2009 +0530
@@ -9,6 +9,8 @@
 If your browser doesn't support clicking on the link, please copy
 paste the URL in your browser's address bar.
 
+Note: Your activation key is valid only for 7 days. Please activate your accout
+before that.
 
 --
  Thanks for registering,