diff --git a/lib/devise/models/validatable.rb b/lib/devise/models/validatable.rb
index 7a397378..1ad2e70e 100644
--- a/lib/devise/models/validatable.rb
+++ b/lib/devise/models/validatable.rb
@@ -10,7 +10,7 @@ module Devise
     # Validatable adds the following options to devise_for:
     #
     #   * +email_regexp+: the regular expression used to validate e-mails;
-    #   * +password_length+: a range expressing password length. Defaults to 8..72.
+    #   * +password_length+: a range expressing password length. Defaults to 6..128.
     #
     module Validatable
       # All validations used by this module.