Revise docs from #5405

Update a couple other modules that still referred to `devise_for` to
point to `devise`, and make all of them more consistent. We can only
mention `devise`, that should be clear enough about it being options
for the model method.

lib/devise/models/authenticatable.rb

@@ -10,7 +10,7 @@ module Devise
     #
     # == Options
     #
-    # Authenticatable adds the following options to devise method in your model:
+    # Authenticatable adds the following options to +devise+:
     #
     #   * +authentication_keys+: parameters used for authentication. By default [:email].
     #

lib/devise/models/database_authenticatable.rb

@@ -13,7 +13,7 @@ module Devise
     #
     # == Options
     #
-    # DatabaseAuthenticatable adds the following options to devise method in your model:
+    # DatabaseAuthenticatable adds the following options to +devise+:
     #
     #   * +pepper+: a random string used to provide a more secure hash. Use
     #     `rails secret` to generate new keys.
@@ -42,7 +42,7 @@ module Devise
       def initialize(*args, &block)
         @skip_email_changed_notification = false
         @skip_password_change_notification = false
-        super 
+        super
       end
 
       # Skips sending the email changed notification after_update

lib/devise/models/omniauthable.rb

@@ -8,7 +8,7 @@ module Devise
     #
     # == Options
     #
-    # Oauthable adds the following options to devise method in your model:
+    # Oauthable adds the following options to +devise+:
     #
     #   * +omniauth_providers+: Which providers are available to this model. It expects an array:
     #

lib/devise/models/recoverable.rb

@@ -7,7 +7,7 @@ module Devise
     #
     # ==Options
     #
-    # Recoverable adds the following options to devise_for:
+    # Recoverable adds the following options to +devise+:
     #
     #   * +reset_password_keys+: the keys you want to use when recovering the password for an account
     #   * +reset_password_within+: the time period within which the password must be reset or the token expires.

lib/devise/models/rememberable.rb

@@ -15,7 +15,7 @@ module Devise
     #
     # == Options
     #
-    # Rememberable adds the following options in devise_for:
+    # Rememberable adds the following options to +devise+:
     #
     #   * +remember_for+: the time you want the user will be remembered without
     #     asking for credentials. After this time the user will be blocked and

lib/devise/models/timeoutable.rb

@@ -11,7 +11,7 @@ module Devise
     #
     # == Options
     #
-    # Timeoutable adds the following options to devise method in your model:
+    # Timeoutable adds the following options to +devise+:
     #
     #   * +timeout_in+: the interval to timeout the user session without activity.
     #

lib/devise/models/validatable.rb

@@ -9,7 +9,7 @@ module Devise
     #
     # == Options
     #
-    # Validatable adds the following options to devise method in your model:
+    # Validatable adds the following options to +devise+:
     #
     #   * +email_regexp+: the regular expression used to validate e-mails;
     #   * +password_length+: a range expressing password length. Defaults to 6..128.