diff --git a/app/validators/screen_name_validator.rb b/app/validators/screen_name_validator.rb
index d854512c..8d462e2a 100644
--- a/app/validators/screen_name_validator.rb
+++ b/app/validators/screen_name_validator.rb
@@ -1,16 +1,14 @@
+# frozen_string_literal: true
+
 class ScreenNameValidator < ActiveModel::EachValidator
-  FORBIDDEN_SCREEN_NAMES = %w(justask_admin retrospring_admin admin justask retrospring about public
+  FORBIDDEN_SCREEN_NAMES = %w[justask_admin retrospring_admin admin justask retrospring about public
                               notifications inbox sign_in sign_up sidekiq moderation moderator mod administrator
-                              siteadmin site_admin help retro_spring retroospring retrosprlng niisding nllsding 
-                              pixeidesu plxeldesu plxeidesu terms privacy linkfilter feedback)
-  FORBIDDEN_SCREEN_NAME_REGEXPS = [/wreciap\z/i]
+                              siteadmin site_admin help retro_spring retroospring retrosprlng niisding nllsding
+                              pixeidesu plxeldesu plxeidesu terms privacy linkfilter feedback].freeze
+  FORBIDDEN_SCREEN_NAME_REGEXPS = [/wreciap\z/i].freeze
 
   def validate_each(record, attribute, value)
-    if FORBIDDEN_SCREEN_NAMES.include? value.downcase
-      record.errors[attribute] << "Thou shalt not use this username!  Please choose another one."
-    end
-    if FORBIDDEN_SCREEN_NAME_REGEXPS.any? { |regexp| value.downcase =~ regexp }
-      record.errors[attribute] << "Registration is tempoarily disabled for new users."
-    end
+    record.errors[attribute] << "Thou shalt not use this username!  Please choose another one." if FORBIDDEN_SCREEN_NAMES.include? value.downcase
+    record.errors[attribute] << "Registration is tempoarily disabled for new users." if FORBIDDEN_SCREEN_NAME_REGEXPS.any? { |regexp| value.downcase =~ regexp }
   end
 end