diff --git a/lang/tr.json b/lang/tr.json
index 9f04ad00..5c2109cc 100644
--- a/lang/tr.json
+++ b/lang/tr.json
@@ -1416,6 +1416,7 @@
       "tax_per_item": "Öğe Başı Vergi",
       "tax_name": "Vergi Adı",
       "compound_tax": "Bileşik Vergi",
+      "compound_tax_description": "Calculated on the subtotal after discount plus all non-compound taxes.",
       "amount": "Amount",
       "percent": "Yüzde",
       "fixed_amount": "Fixed Amount",