2 files changed, 4 insertions, 0 deletions
diff --git a/types/ext/dictionary-data.d.ts b/types/ext/dictionary-data.d.ts
index 0128f83f..68752bbb 100644
--- a/types/ext/dictionary-data.d.ts
+++ b/types/ext/dictionary-data.d.ts
@@ -29,6 +29,8 @@ export type Index = {
     url?: string;
     description?: string;
     attribution?: string;
+    sourceLanguage?: string;
+    targetLanguage?: string;
     frequencyMode?: 'occurrence-based' | 'rank-based';
     tagMeta?: IndexTagMeta;
 };
diff --git a/types/ext/dictionary-importer.d.ts b/types/ext/dictionary-importer.d.ts
index 3a320f96..8807b3bc 100644
--- a/types/ext/dictionary-importer.d.ts
+++ b/types/ext/dictionary-importer.d.ts
@@ -65,6 +65,8 @@ export type Summary = {
     url?: string;
     description?: string;
     attribution?: string;
+    sourceLanguage?: string;
+    targetLanguage?: string;
     frequencyMode?: 'occurrence-based' | 'rank-based';
 };