diff --git a/app/controllers/home_controller.rb b/app/controllers/home_controller.rb
index 5b5f702..8e26b7f 100644
--- a/app/controllers/home_controller.rb
+++ b/app/controllers/home_controller.rb
@@ -36,9 +36,9 @@ def interested
           unless @ref.blank? # Increment RCOUNT for referrer if referral code is present
             begin
               list_members     = mailchimp.lists.members("#{MAILCHIMP_LIST_ID}")
-              referring_member = list_members['data'].detect{ |member| member['merges']['RCODE'] == "#{@ref}" }
+              referring_member = list_members['data'].detect { |member| member['merges']['RCODE'] == "#{@ref}" }
               new_count        = referring_member['merges']['RCOUNT'] + 1
-              mailchimp.lists.update_member("#{MAILCHIMP_LIST_ID}", {"euid" => "#{referring_member['id']}"}, 'RCOUNT' => "1")
+              mailchimp.lists.update_member("#{MAILCHIMP_LIST_ID}", {'euid' => "#{referring_member['id']}"}, 'RCOUNT' => '1')
             rescue => e
               flash.now[:alert] = 'There was a problem updating the referral at MailChimp'
               return render :index
@@ -47,7 +47,7 @@ def interested
 
           begin
             mailchimp.lists.subscribe("#{MAILCHIMP_LIST_ID}",
-                                      {"email" => "#{email}"},
+                                      {'email' => "#{email}"},
                                       {'RCODE' => "#{@referral_code}", 'RCOUNT' => "0"})
           rescue => e
             flash.now[:alert] = 'There was a problem subscribing you to the list on MailChimp'
diff --git a/spec/controllers/home_controller_spec.rb b/spec/controllers/home_controller_spec.rb
index ef05d7e..dd46ead 100644
--- a/spec/controllers/home_controller_spec.rb
+++ b/spec/controllers/home_controller_spec.rb
@@ -1,23 +1,23 @@
 require 'spec_helper'
 
 describe HomeController do
-  describe "GET index" do
-    it "renders index" do
+  describe 'GET index' do
+    it 'renders index' do
       get :index
       response.should be_success
     end
   end
 
-  describe "GET interested" do
-    context "with an email address" do
-      it "renders interested" do
+  describe 'GET interested' do
+    context 'with an email address' do
+      it 'renders interested' do
         get 'interested', {:email => Faker::Internet.email}
         response.should be_success
       end
     end
 
-    context "without an email address" do
-      it "redirects to the homepage" do
+    context 'without an email address' do
+      it 'redirects to the homepage' do
         get 'interested'
         response.should redirect_to(root_url)
       end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b960be0..bf0b282 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -17,8 +17,8 @@
   # need to restart spork for it take effect.
 
   # This file is copied to spec/ when you run 'rails generate rspec:install'
-  ENV["RAILS_ENV"] ||= 'test'
-  require File.expand_path("../../config/environment", __FILE__)
+  ENV['RAILS_ENV'] ||= 'test'
+  require File.expand_path('../../config/environment', __FILE__)
   require 'rspec/rails'
   require 'rspec/autorun'
   require 'capybara/rspec'
@@ -27,7 +27,7 @@
 
   # Requires supporting ruby files with custom matchers and macros, etc,
   # in spec/support/ and its subdirectories.
-  Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
+  Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
 
   RSpec.configure do |config|
     # ## Mock Framework
@@ -56,9 +56,9 @@
     # order dependency and want to debug it, you can fix the order by providing
     # the seed, which is printed after each run.
     #     --seed 1234
-    config.order = "random"
+    config.order = 'random'
 
-    config.include Capybara::DSL, :type => :request
+    config.include Capybara::DSL, type: :request
     config.include FactoryGirl::Syntax::Methods
 
     # https://ariejan.net/2011/09/24/rspec-speed-up-by-tweaking-ruby-garbage-collection
diff --git a/spec/support/deferred_garbage_collection.rb b/spec/support/deferred_garbage_collection.rb
index 7bee5b8..b9498da 100644
--- a/spec/support/deferred_garbage_collection.rb
+++ b/spec/support/deferred_garbage_collection.rb
@@ -1,5 +1,4 @@
 # https://ariejan.net/2011/09/24/rspec-speed-up-by-tweaking-ruby-garbage-collection
-
 class DeferredGarbageCollection
 
   DEFERRED_GC_THRESHOLD = (ENV['DEFER_GC'] || 15.0).to_f
@@ -17,5 +16,4 @@ def self.reconsider
       @@last_gc_run = Time.now
     end
   end
-
 end