diff --git a/grape-active_model_serializers.gemspec b/grape-active_model_serializers.gemspec
index fc2b060..0ab28a8 100644
--- a/grape-active_model_serializers.gemspec
+++ b/grape-active_model_serializers.gemspec
@@ -22,5 +22,5 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "rspec"
   gem.add_development_dependency "rack-test"
   gem.add_development_dependency "rake"
-  gem.add_development_dependency 'guard-rspec'
+  gem.add_development_dependency "guard-rspec"
 end
diff --git a/spec/grape-active_model_serializers/endpoint_extension_spec.rb b/spec/grape-active_model_serializers/endpoint_extension_spec.rb
index e296dd3..0052e7f 100644
--- a/spec/grape-active_model_serializers/endpoint_extension_spec.rb
+++ b/spec/grape-active_model_serializers/endpoint_extension_spec.rb
@@ -7,12 +7,12 @@ describe 'Grape::EndpointExtension' do
   let(:serializer) { Grape::Formatter::ActiveModelSerializers }
 
   let(:user) do
-               Object.new do
-                 def name
-                   'sven'
-                 end
-               end
-             end
+    Object.new do
+      def name
+        'sven'
+      end
+    end
+  end
 
   let(:users) { [user, user] }