diff --git a/frontend/src/angular/i18n/messages.de.json b/frontend/src/angular/i18n/messages.de.json
index a65da99..56cdccb 100644
--- a/frontend/src/angular/i18n/messages.de.json
+++ b/frontend/src/angular/i18n/messages.de.json
@@ -39,6 +39,9 @@
     "link": " Link: {$START_LINK}{$INTERPOLATION}{$CLOSE_LINK}",
     "docSearchOtherDocuments": "Other Documents:",
     "functionSearchHeading": "Function Search",
+    "functionSearchTitle": "Title",
+    "functionSearchSummary": "Summary",
+    "functionSearchAuthor": "Author",
     "imageQueryHeading": "Image Query",
     "query": "Query",
     "imageQueryPrompt": "Image prompt",