diff --git a/addons/account/i18n/account.pot b/addons/account/i18n/account.pot
index 34f55436b29..b1c6cef056b 100644
--- a/addons/account/i18n/account.pot
+++ b/addons/account/i18n/account.pot
@@ -15865,8 +15865,8 @@ msgstr ""
 #: code:addons/account/wizard/account_payment_register.py:0
 #, python-format
 msgid ""
-"You can't register payments for journal items being either all inbound, "
-"either all outbound."
+"You can't register payments for both inbound and outbound moves "
+"at the same time."
 msgstr ""
 
 #. module: account
diff --git a/addons/account/wizard/account_payment_register.py b/addons/account/wizard/account_payment_register.py
index d3b8a4212d3..682ed6f0e1a 100644
--- a/addons/account/wizard/account_payment_register.py
+++ b/addons/account/wizard/account_payment_register.py
@@ -668,7 +668,7 @@ class AccountPaymentRegister(models.TransientModel):
             if len(lines.company_id.root_id) > 1:
                 raise UserError(_("You can't create payments for entries belonging to different companies."))
             if len(set(available_lines.mapped('account_type'))) > 1:
-                raise UserError(_("You can't register payments for journal items being either all inbound, either all outbound."))
+                raise UserError(_("You can't register payments for both inbound and outbound moves at the same time."))
 
             res['line_ids'] = [(6, 0, available_lines.ids)]