diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 227d317bd30..0aa1d6e7f62 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -162,7 +162,7 @@
                             <group colspan="2" col="2">
                                 <separator string="Invoice Control" colspan="2"/>
                                 <field name="invoice_method"/>
-                                <field name="invoice_id" groups="base.group_extended" context="{'journal_type':'purchase', 'type':'in_invoice'}"/>
+                                <field name="invoice_id" groups="base.group_extended" readonly="1" context="{'journal_type':'purchase', 'type':'in_invoice'}"/>
                                 <field name="fiscal_position" widget="selection"/>
                             </group>
                             <newline/>
diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 29cd5ea593a..a789ad287f3 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -724,7 +724,6 @@ class sale_order(osv.osv):
                     })
                     proc_ids.append(proc_id)
                     self.pool.get('sale.order.line').write(cr, uid, [line.id], {'procurement_id': proc_id})
-
                     if order.state == 'shipping_except':
                         for pick in order.picking_ids:
                             for move in pick.move_lines:
diff --git a/addons/sale_layout/__openerp__.py b/addons/sale_layout/__openerp__.py
index 1f771ff3044..f8db8d5d868 100755
--- a/addons/sale_layout/__openerp__.py
+++ b/addons/sale_layout/__openerp__.py
@@ -27,7 +27,7 @@
     This module provides features to improve the layout of the Sales Order.
 
     It gives you the possibility to
-        * order all the lines of an sales order
+        * order all the lines of a sales order
         * add titles, comment lines, sub total lines
         * draw horizontal lines and put page breaks