diff --git a/intrastat_base/company.py b/intrastat_base/company.py
index 030101f..e475544 100644
--- a/intrastat_base/company.py
+++ b/intrastat_base/company.py
@@ -60,7 +60,8 @@ class res_company(orm.Model):
                         % (user.name))
         return True
 
-    _constraints = [
-        (_check_intrastat_remind_users, "error msg in raise",
-            ['intrastat_remind_user_ids']),
-    ]
+    _constraints = [(
+        _check_intrastat_remind_users,
+        "Wrong configuration of the Users Receiving the Intrastat Reminder",
+        ['intrastat_remind_user_ids']
+        )]
diff --git a/intrastat_base/product.py b/intrastat_base/product.py
index 7181706..1798280 100644
--- a/intrastat_base/product.py
+++ b/intrastat_base/product.py
@@ -56,7 +56,8 @@ class product_template(orm.Model):
                         % (product.name, product.type)))
         return True
 
-    _constraints = [
-        (_check_accessory_cost, "Error msg is in raise",
-            ['is_accessory_cost', 'type'])
-        ]
+    _constraints = [(
+        _check_accessory_cost,
+        "Wrong configuration of the product",
+        ['is_accessory_cost', 'type']
+        )]