diff --git a/lib/devise.rb b/lib/devise.rb
index 810783dc..9c10fc1e 100755
--- a/lib/devise.rb
+++ b/lib/devise.rb
@@ -242,7 +242,10 @@ module Devise
   mattr_accessor :clean_up_csrf_token_on_authentication
   @@clean_up_csrf_token_on_authentication = true
 
-  # When false, Devise will not attempt to reload routes on eager load
+  # When false, Devise will not attempt to reload routes on eager load.
+  # This can reduce the time taken to boot the app but if your application
+  # requires the Devise mappings to be loaded during boot time the application
+  # won't boot properly.
   mattr_accessor :reload_routes
   @@reload_routes = true
 
diff --git a/lib/generators/templates/devise.rb b/lib/generators/templates/devise.rb
index c6ed2143..4bc37ca5 100755
--- a/lib/generators/templates/devise.rb
+++ b/lib/generators/templates/devise.rb
@@ -90,6 +90,12 @@ Devise.setup do |config|
   # from the server. You can disable this option at your own risk.
   # config.clean_up_csrf_token_on_authentication = true
 
+  # When false, Devise will not attempt to reload routes on eager load.
+  # This can reduce the time taken to boot the app but if your application
+  # requires the Devise mappings to be loaded during boot time the application
+  # won't boot properly.
+  # config.reload_routes = true
+
   # ==> Configuration for :database_authenticatable
   # For bcrypt, this is the cost for hashing the password and defaults to 11. If
   # using other algorithms, it sets how many times you want the password to be hashed.