Fix typos

lib/devise.rb

@@ -236,12 +236,12 @@ module Devise
   @@parent_mailer = "ActionMailer::Base"
 
   # The router Devise should use to generate routes. Defaults
-  # to :main_app. Should be overriden by engines in order
+  # to :main_app. Should be overridden by engines in order
   # to provide custom routes.
   mattr_accessor :router_name
   @@router_name = nil
 
-  # Set the omniauth path prefix so it can be overriden when
+  # Set the omniauth path prefix so it can be overridden when
   # Devise is used in a mountable engine
   mattr_accessor :omniauth_path_prefix
   @@omniauth_path_prefix = nil

lib/devise/models/authenticatable.rb

@@ -127,7 +127,7 @@ module Devise
       end
 
       # This is an internal method called every time Devise needs
-      # to send a notification/mail. This can be overriden if you
+      # to send a notification/mail. This can be overridden if you
       # need to customize the e-mail delivery logic. For instance,
       # if you are using a queue to deliver e-mails (delayed job,
       # sidekiq, resque, etc), you must add the delivery to the queue

lib/devise/models/confirmable.rb

@@ -152,7 +152,7 @@ module Devise
       protected
 
         # A callback method used to deliver confirmation
-        # instructions on creation. This can be overriden
+        # instructions on creation. This can be overridden
         # in models to map to a nice sign up e-mail.
         def send_on_create_confirmation_instructions
           send_confirmation_instructions

lib/devise/models/timeoutable.rb

@@ -2,7 +2,7 @@ require 'devise/hooks/timeoutable'
 
 module Devise
   module Models
-    # Timeoutable takes care of verifyng whether a user session has already
+    # Timeoutable takes care of verifying whether a user session has already
     # expired or not. When a session expires after the configured time, the user
     # will be asked for credentials again, it means, they will be redirected
     # to the sign in page.