diff --git a/models/scop_cotisation_idf.py b/models/scop_cotisation_idf.py
index 09f61798b427cb8e0d5986847446a830cc39bd80..0ab6eebaac80fa97a1467f4cf55eda9892dce45e 100644
--- a/models/scop_cotisation_idf.py
+++ b/models/scop_cotisation_idf.py
@@ -31,7 +31,7 @@ class ScopCotisationsIDF(models.Model):
         ('reject', 'Rejet'),
         ('pay', 'Paiment')],
         string='Type', required=True)
-    lettrage = fields.Char('Lettrage')
+    lettrage = fields.Char('Référence de lettrage')
     currency_id = fields.Many2one(
         comodel_name='res.currency',
         string='Monnaie',
diff --git a/models/scop_invoice_idf.py b/models/scop_invoice_idf.py
index 2433504a59e5539cb183ae13436aee88fe6054d9..f739515d138ca70ebae63ecf96044a83d3d6d506 100644
--- a/models/scop_invoice_idf.py
+++ b/models/scop_invoice_idf.py
@@ -31,7 +31,7 @@ class ScopInvoiceIDF(models.Model):
         ('reject', 'Rejet'),
         ('pay', 'Paiment')],
         string='Type', required=True)
-    lettrage = fields.Char('Lettrage')
+    lettrage = fields.Char('Référence de lettrage')
     currency_id = fields.Many2one(
         comodel_name='res.currency',
         string='Monnaie',