#428

frontend/src/pages/help/HelpDiffPage.tsx

@@ -9,6 +9,7 @@ import { SITE_TITLE } from '@/config'
 import { getHelpArticle, getHelpDiff, resolveHelpLanguage } from '@/lib/help'
 import { localeLanguage } from '@/lib/locales'
 import { useLocale } from '@/lib/useLocale'
+import { useUITranslation } from '@/lib/useUITranslation'
 import { helpKeys } from '@/lib/queryKeys'
 import { cn } from '@/lib/utils'
 import NotFound from '@/pages/NotFound'
@@ -19,6 +20,7 @@ const markers = { added: '+ ', removed: '- ', unchanged: '  ' }
 
 
 const HelpDiffPage: FC = () => {
+  const { message } = useUITranslation ('help')
   const locale = useLocale ()
   const { identifier = '' } = useParams ()
   const [searchParams] = useSearchParams ()
@@ -47,7 +49,7 @@ const HelpDiffPage: FC = () => {
   return (
       <MainArea className="min-w-0 max-w-full">
 	<Helmet>
-	  <title>{`ヘルプ 差分: ${ title } | ${ SITE_TITLE }`}</title>
+	  <title>{message ('diffTitle', { title }).text} | {SITE_TITLE}</title>
 	</Helmet>
 	<PageTitle>{title}</PageTitle>