diff --git a/Localization/StringsConvertor/input/en-US.lproj/app.json b/Localization/StringsConvertor/input/en-US.lproj/app.json
index c5a3dac74..a6a971860 100644
--- a/Localization/StringsConvertor/input/en-US.lproj/app.json
+++ b/Localization/StringsConvertor/input/en-US.lproj/app.json
@@ -382,7 +382,11 @@
                 "video": "video",
                 "attachment_broken": "This %s is broken and can’t be\nuploaded to Mastodon.",
                 "description_photo": "Describe the photo for the visually-impaired...",
-                "description_video": "Describe the video for the visually-impaired..."
+                "description_video": "Describe the video for the visually-impaired...",
+                "load_failed": "Load Failed",
+                "upload_failed": "Upload Failed",
+                "can_not_recognize_this_media_attachment": "Can not regonize this media attachment",
+                "attachment_too_large": "Attachment too large"
             },
             "poll": {
                 "duration_time": "Duration: %s",