diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index dec9833b6ed..b87fb6dc12a 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -201,7 +201,7 @@ class purchase_order(osv.osv):
             readonly=True, states={'draft':[('readonly',False)], 'sent':[('readonly',False)]},
             help="Based on Purchase Order lines: place individual lines in 'Invoice Control / On Purchase Order lines' from where you can selectively create an invoice.\n" \
                 "Based on generated invoice: create a draft invoice you can validate later.\n" \
-                "Bases on incoming shipments: let you create an invoice when receptions are validated."
+                "Based on incoming shipments: let you create an invoice when receptions are validated."
         ),
         'minimum_planned_date':fields.function(_minimum_planned_date, fnct_inv=_set_minimum_planned_date, string='Expected Date', type='date', select=True, help="This is computed as the minimum scheduled date of all purchase order lines' products.",
             store = {
diff --git a/addons/purchase_requisition/purchase_requisition.py b/addons/purchase_requisition/purchase_requisition.py
index 33af1a83768..df73887cc42 100644
--- a/addons/purchase_requisition/purchase_requisition.py
+++ b/addons/purchase_requisition/purchase_requisition.py
@@ -37,7 +37,7 @@ class purchase_requisition(osv.osv):
         'date_start': fields.datetime('Requisition Date'),
         'date_end': fields.datetime('Requisition Deadline'),
         'user_id': fields.many2one('res.users', 'Responsible'),
-        'exclusive': fields.selection([('exclusive','Purchase Requisition (exclusive)'),('multiple','Multiple Requisitions')],'Requisition Type', required=True, help="Purchase Requisition (exclusive):  On the confirmation of a purchase order, it cancels the remaining purchase order.\nMultiple Requisitions:  It allows to have multiple purchase orders.On confirmation of a purchase order it does not cancel the remaining orders"""),
+        'exclusive': fields.selection([('exclusive','Purchase Requisition (exclusive)'),('multiple','Multiple Requisitions')],'Requisition Type', required=True, help="Purchase Requisition (exclusive): On the confirmation of a purchase order, it cancels the remaining purchase order.\nMultiple Requisitions: It allows to have multiple purchase orders.On confirmation of a purchase order it does not cancel the remaining orders"""),
         'description': fields.text('Description'),
         'company_id': fields.many2one('res.company', 'Company', required=True),
         'purchase_ids' : fields.one2many('purchase.order','requisition_id','Purchase Orders',states={'done': [('readonly', True)]}),