diff --git a/addons/account/account.py b/addons/account/account.py
index 27415cfffe6..1e7ff0d73b4 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -2801,8 +2801,8 @@ class account_tax_template(osv.osv):
         return self.pool.get('res.company').search(cr, uid, [('parent_id', '=', False)])[0]
 
     _defaults = {
-        'python_compute': lambda *a: '''# price_unit\n# address: res.partner object or False\n# product: product.product object or None\n# partner: res.partner object or None\n\nresult = price_unit * 0.10''',
-        'python_compute_inv': lambda *a: '''# price_unit\n# address: res.partner object or False\n# product: product.product object or False\n\nresult = price_unit * 0.10''',
+        'python_compute': lambda *a: '''# price_unit\n# product: product.product object or None\n# partner: res.partner object or None\n\nresult = price_unit * 0.10''',
+        'python_compute_inv': lambda *a: '''# price_unit\n# product: product.product object or False\n\nresult = price_unit * 0.10''',
         'applicable_type': 'true',
         'type': 'percent',
         'amount': 0,