diff --git a/product_contract/i18n/product_contract.pot b/product_contract/i18n/product_contract.pot
index 235c2abf8..e42c57346 100644
--- a/product_contract/i18n/product_contract.pot
+++ b/product_contract/i18n/product_contract.pot
@@ -325,6 +325,12 @@ msgstr ""
 msgid "Year(s)"
 msgstr ""
 
+#. module: product_contract
+#: code:addons/product_contract/models/sale_order_line.py:0
+#, python-format
+msgid "You can check the field \"Is a contract\" only for Contract product"
+msgstr ""
+
 #. module: product_contract
 #: code:addons/product_contract/models/sale_order.py:0
 #: code:addons/product_contract/models/sale_order_line.py:0