diff --git a/src/actions/DuplicateWithTranslationsAction.tsx b/src/actions/DuplicateWithTranslationsAction.tsx
index eed3293..4bea8f8 100644
--- a/src/actions/DuplicateWithTranslationsAction.tsx
+++ b/src/actions/DuplicateWithTranslationsAction.tsx
@@ -1,4 +1,4 @@
-import {CopyIcon} from '@sanity/icons'
+import {CopyIcon, TranslateIcon} from '@sanity/icons'
 import {useToast} from '@sanity/ui'
 import {uuid} from '@sanity/uuid'
 import {useCallback, useMemo, useState} from 'react'
@@ -21,10 +21,10 @@ import {useRouter} from 'sanity/router'
 import {structureLocaleNamespace} from 'sanity/structure'
 
 import {METADATA_SCHEMA_NAME, TRANSLATIONS_ARRAY_NAME} from '../constants'
+import {documenti18nLocaleNamespace} from '../i18n'
 
 const DISABLED_REASON_KEY = {
-  // TODO: add localization
-  I18N_METADATA_NOT_FOUND: 'This document does not have i18n metadata',
+  METADATA_NOT_FOUND: 'action.duplicate.disabled.missing-metadata',
   NOTHING_TO_DUPLICATE: 'action.duplicate.disabled.nothing-to-duplicate',
   NOT_READY: 'action.duplicate.disabled.not-ready',
 }
@@ -46,7 +46,8 @@ export const DuplicateWithTranslationsAction: DocumentActionComponent = ({
   const metadataDocument = useI18nMetadata(id)
   const client = useClient(DEFAULT_STUDIO_CLIENT_OPTIONS)
   const toast = useToast()
-  const {t} = useTranslation(structureLocaleNamespace)
+  const {t: structureT} = useTranslation(structureLocaleNamespace)
+  const {t: documenti18nT} = useTranslation(documenti18nLocaleNamespace)
   const currentUser = useCurrentUser()
 
   const handle = useCallback(async () => {
@@ -174,7 +175,7 @@ export const DuplicateWithTranslationsAction: DocumentActionComponent = ({
       return {
         icon: CopyIcon,
         disabled: true,
-        label: t('action.duplicate.label'),
+        label: documenti18nT('action.duplicate.label'),
         title: (
           <InsufficientPermissionsMessage
             context="duplicate-document"
@@ -186,34 +187,35 @@ export const DuplicateWithTranslationsAction: DocumentActionComponent = ({
 
     if (!metadataDocument) {
       return {
-        icon: CopyIcon,
+        icon: TranslateIcon,
         disabled: true,
-        label: t('action.duplicate.label'),
-        title: DISABLED_REASON_KEY.I18N_METADATA_NOT_FOUND,
+        label: documenti18nT('action.duplicate.label'),
+        title: documenti18nT(DISABLED_REASON_KEY.METADATA_NOT_FOUND),
       }
     }
 
     return {
-      icon: CopyIcon,
+      icon: TranslateIcon,
       disabled:
         isDuplicating || Boolean(duplicate.disabled) || isPermissionsLoading,
       label: isDuplicating
-        ? t('action.duplicate.running.label')
-        : t('action.duplicate.label'),
+        ? structureT('action.duplicate.running.label')
+        : documenti18nT('action.duplicate.label'),
       title: duplicate.disabled
-        ? t(DISABLED_REASON_KEY[duplicate.disabled])
+        ? structureT(DISABLED_REASON_KEY[duplicate.disabled])
         : '',
       onHandle: handle,
     }
   }, [
     currentUser,
+    documenti18nT,
     duplicate.disabled,
     handle,
     isDuplicating,
     isPermissionsLoading,
     metadataDocument,
     permissions?.granted,
-    t,
+    structureT,
   ])
 }
 
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
new file mode 100644
index 0000000..62b16fa
--- /dev/null
+++ b/src/i18n/index.ts
@@ -0,0 +1,21 @@
+import {defineLocaleResourceBundle} from 'sanity'
+
+/**
+ * The locale namespace for the document internationalization plugin.
+ *
+ * @public
+ */
+export const documenti18nLocaleNamespace =
+  'document-internationalization' as const
+
+/**
+ * The default locale bundle for the document internationalization plugin, which is US English.
+ *
+ * @internal
+ */
+export const documentInternationalizationUsEnglishLocaleBundle =
+  defineLocaleResourceBundle({
+    locale: 'en-US',
+    namespace: documenti18nLocaleNamespace,
+    resources: () => import('./resources'),
+  })
diff --git a/src/i18n/resources.ts b/src/i18n/resources.ts
new file mode 100644
index 0000000..363e709
--- /dev/null
+++ b/src/i18n/resources.ts
@@ -0,0 +1,5 @@
+export default {
+  'action.duplicate.label': 'Duplicate with translations',
+  'action.duplicate.disabled.missing-metadata':
+    'The document cannot be duplicated because the metadata document is missing',
+}
diff --git a/src/plugin.tsx b/src/plugin.tsx
index 2d2b4e7..20a3ad0 100644
--- a/src/plugin.tsx
+++ b/src/plugin.tsx
@@ -9,6 +9,7 @@ import {DocumentInternationalizationProvider} from './components/DocumentInterna
 import {DocumentInternationalizationMenu} from './components/DocumentInternationalizationMenu'
 import OptimisticallyStrengthen from './components/OptimisticallyStrengthen'
 import {API_VERSION, DEFAULT_CONFIG, METADATA_SCHEMA_NAME} from './constants'
+import {documentInternationalizationUsEnglishLocaleBundle} from './i18n'
 import metadata from './schema/translation/metadata'
 import type {PluginConfig, TranslationReference} from './types'
 
@@ -39,6 +40,10 @@ export const documentInternationalization = definePlugin<PluginConfig>(
         },
       },
 
+      i18n: {
+        bundles: [documentInternationalizationUsEnglishLocaleBundle],
+      },
+
       // Adds:
       // - A bulk-publishing UI component to the form
       // - Will only work for projects on a compatible plan