diff --git a/libraries/plist.rb b/libraries/plist.rb
index 731856a..8b6c505 100644
--- a/libraries/plist.rb
+++ b/libraries/plist.rb
@@ -25,7 +25,6 @@ module MacOS
     end
 
     def convert_array_to_string(value)
-     
     end
 
     def convert_to_string_from_data_type(value)
@@ -39,11 +38,11 @@ module MacOS
       when TrueClass
         "-bool #{value}"
       when Hash
-        "-dict #{value.map { |key,value| Shellwords.shellescape(key) + ' ' + convert_to_string_from_data_type(value)}.join(' ')}"
+        "-dict #{value.map { |key, value| Shellwords.shellescape(key) + ' ' + convert_to_string_from_data_type(value) }.join(' ')}"
       when String
         "-string #{Shellwords.shellescape(value)}"
       when Float
-        "-float #{value}" 
+        "-float #{value}"
       else
         raise "Unknown or unsupported data type: #{value} of #{value.class}"
       end
diff --git a/spec/unit/libraries/plist_spec.rb b/spec/unit/libraries/plist_spec.rb
index f97a5c8..73df584 100644
--- a/spec/unit/libraries/plist_spec.rb
+++ b/spec/unit/libraries/plist_spec.rb
@@ -147,15 +147,15 @@ describe MacOS::PlistHelpers, '#convert_to_string_from_data_type' do
     end
 
     it 'returns the required dictionary entry' do
-      expect(convert_to_string_from_data_type({'a' => 'b', 'c' => 'd'})).to eq '-dict a -string b c -string d'
+      expect(convert_to_string_from_data_type({ 'a' => 'b', 'c' => 'd' })).to eq '-dict a -string b c -string d'
     end
 
     it 'returns the required dictionary entry with embedded quotes and numbers' do
-      expect(convert_to_string_from_data_type({'a' => 3, 'c' => '"d"'})).to eq '-dict a -integer 3 c -string \"d\"'
+      expect(convert_to_string_from_data_type({ 'a' => 3, 'c' => '"d"' })).to eq '-dict a -integer 3 c -string \"d\"'
     end
 
     it 'returns the required array entry' do
-      expect(convert_to_string_from_data_type(['a', 'b', 'c'])).to eq '-array -string a -string b -string c'
+      expect(convert_to_string_from_data_type(%w(a b c))).to eq '-array -string a -string b -string c'
     end
 
     it 'returns the required array entry with embedded quotes' do
diff --git a/spec/unit/resources/xcode_spec.rb b/spec/unit/resources/xcode_spec.rb
index 902652f..58f6747 100644
--- a/spec/unit/resources/xcode_spec.rb
+++ b/spec/unit/resources/xcode_spec.rb
@@ -16,7 +16,7 @@ describe 'xcode' do
                    '4.3.2 for Lion',
                    '4.3.3 for Lion',
                    '4.4',
-                   '4.4.1', 
+                   '4.4.1',
                    '4.5',
                    '4.5.1',
                    '4.5.2',
diff --git a/test/cookbooks/macos_test/recipes/delete_users.rb b/test/cookbooks/macos_test/recipes/delete_users.rb
index dbec16c..4a1d819 100644
--- a/test/cookbooks/macos_test/recipes/delete_users.rb
+++ b/test/cookbooks/macos_test/recipes/delete_users.rb
@@ -3,7 +3,8 @@ user_home = File.join('/', 'Users', user)
 
 if Gem::Version.new(node['platform_version']) >= Gem::Version.new('10.13')
   admin_credentials = ['-adminUser', node['macos']['admin_user'], '-adminPassword', node['macos']['admin_password']]
-else ''
+else
+  ''
 end
 
 execute "add user #{user}" do