diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 6ec714b5..da85f92e 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -950,5 +950,9 @@
   "prefs_OptionText_btnManagePrompts_infoline3": {
     "message": "You can use the {%tags_full_list%} data placeholder in the prompt to list the available tags. With an appropriate prompt, you could then force the tags to be chosen only from the list of those already existing.",
     "description": ""
+  },
+  "placeholder_mail_typed_text": {
+    "message": "Typed text before the quoted mail body",
+    "description": ""
   }
 }
\ No newline at end of file