Un-anger the cop

app/helpers/content_helper.rb

@@ -3,12 +3,12 @@ module ContentHelper
     raw_content = File.read("app/views/content/#{page_name}.md")
     content_with_erb_tags_replaced = ApplicationController.renderer.render(
       inline: raw_content,
-      locals: locals
+      locals:,
     )
 
-    @page_title = page_title || page_name.to_s.humanize
-    @page_content = GovukMarkdown.render(content_with_erb_tags_replaced).html_safe
+    page_title ||= page_name.to_s.humanize
+    page_content = GovukMarkdown.render(content_with_erb_tags_replaced).html_safe
 
-    render "content/page"
+    render "content/page", locals: { page_title:, page_content: }
   end
 end

app/views/content/page.html.erb

@@ -1,9 +1,9 @@
-<%= content_for :title, @page_title %>
+<%= content_for :title, page_title %>
 
 <div class="govuk-grid-row">
   <div class="govuk-grid-column-two-thirds-from-desktop">
-    <h1 class="govuk-heading-xl"><%= @page_title %></h1>
+    <h1 class="govuk-heading-xl"><%= page_title %></h1>
 
-    <%= @page_content %>
+    <%= page_content %>
   </div>
 </div>