diff --git a/invoicing_voucher_killer/README.md b/invoicing_voucher_killer/README.md
new file mode 100644
index 000000000..b41622268
--- /dev/null
+++ b/invoicing_voucher_killer/README.md
@@ -0,0 +1,7 @@
+# Prevent the usage of voucher from invoices
+
+This add-on disables the "Register Payment" button on
+customer invoices and the "Pay" button on supplier invoices.
+
+More precisely, this module adds a group "Use voucher in Invoices"
+and only users in that group see these buttons.
diff --git a/invoicing_voucher_killer/__openerp__.py b/invoicing_voucher_killer/__openerp__.py
index 1f5779df3..d38a4e7c0 100644
--- a/invoicing_voucher_killer/__openerp__.py
+++ b/invoicing_voucher_killer/__openerp__.py
@@ -22,17 +22,11 @@
 {'name': 'Invoicing voucher killer',
  'version': '1.0.0',
  'category': 'other',
- 'description': """
-Prevent the usage of voucher from invoices
-##########################################
-This add-on will disable "Register Payment" button
-""",
  'author': 'Camptocamp',
  'website': 'http://www.camptocamp.com',
  'depends': ['account_voucher'],
  'data': ['invoice_data.xml',
           'invoice_view.xml'],
- 'demo_xml': [],
  'test': [],
  'installable': True,
  'active': False,