Update schema.rb.

db/schema.rb

@@ -1,8 +1,8 @@
-# This file is auto-generated from the current state of the database. Instead 
+# This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
 #
-# Note that this schema.rb definition is the authoritative source for your 
+# Note that this schema.rb definition is the authoritative source for your
 # database schema. If you need to create the application database on another
 # system, you should be using db:schema:load, not running all the migrations
 # from scratch. The latter is a flawed and unsustainable approach (the more migrations