diff --git a/src/_locales/th/messages.json b/src/_locales/th/messages.json
index 3150dbd49f..aca7d65f1e 100644
--- a/src/_locales/th/messages.json
+++ b/src/_locales/th/messages.json
@@ -4,7 +4,7 @@
   },
   "extName": {
     "message": "bitwarden - Free Password Manager",
-    "description": "Extension name"
+    "description": "Extension name, MUST be less than 40 characters (Safari restriction)"
   },
   "extDesc": {
     "message": "bitwarden is a secure and free password manager for all of your devices.",