diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 0472ccf..4bf7ac4 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -3,13 +3,11 @@ class UsersController < ApplicationController
 
   before_action :find_user, only: [:show, :update, :disguise]
 
-  before_action do
-    case action_name.to_sym
-    when :revert
-      raise AccessForbidden unless current_user_disguised?
-    else
-      raise AccessForbidden unless current_user.at_least(:admin)
-    end
+  before_action only: :revert do
+    raise AccessForbidden unless current_user_disguised?
+  end
+  before_action except: :revert do
+    raise AccessForbidden unless current_user.at_least(:admin)
   end
 
   def index
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 31dd9a9..1ba2a21 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -34,7 +34,7 @@ en:
           You have not been granted access to this action (403 Forbidden).
           This should not happen, please notify site administrator.
         not_found: >
-          The record that you requested operation on does not exist (404).
+          The record that you requested operation on does not exist (404 Not Found).
           This should not happen, please notify site administrator.
         unprocessable_entity: >
           The request is semantically incorrect and was rejected (422 Unprocessable Entity).