made a suggestion based on digininjas comment on Rails tutorials blog post. Better to change method name to hash_password than encrypt_password

app/models/user.rb

@@ -11,7 +11,7 @@ class User < ActiveRecord::Base
   validates_format_of :email, :with => /.+@.+\..+/i
   attr_accessor :skip_user_id_assign
   before_save :assign_user_id, :on => :create
-  before_save :encrypt_password
+  before_save :hash_password
   has_one :retirement, :foreign_key => :user_id, :primary_key => :user_id, :dependent => :destroy
   has_one :paid_time_off, :foreign_key => :user_id, :primary_key => :user_id, :dependent => :destroy
   has_one :work_info, :foreign_key => :user_id, :primary_key => :user_id, :dependent => :destroy
@@ -45,7 +45,7 @@ class User < ActiveRecord::Base
      end
   end
   
-  def encrypt_password
+  def hash_password
     if self.password.present?
       self.password = Digest::MD5.hexdigest(password)
     end