Fix spell

purchase.py

@@ -30,7 +30,7 @@ class Purchase(ModelWorkflow, ModelSQL, ModelView):
         ('quotation', 'Quotation'),
         ('confirmed', 'Confirmed'),
         ('done', 'Done'),
-        ('cancel', 'Cancel'),
+        ('cancel', 'Canceled'),
     ], 'State', readonly=True, required=True)
     purchase_date = fields.Date('Purchase Date', required=True, states=_STATES)
     payment_term = fields.Many2One('account.invoice.payment_term',

purchase.xml

@@ -475,7 +475,7 @@ this repository contains the full copyright notices and license terms. -->
             <field name="flow_stop" eval="True"/>
         </record>
         <record model="workflow.activity" id="purchase_activity_cancel">
-            <field name="name">Cancel</field>
+            <field name="name">Canceled</field>
             <field name="workflow" ref="purchase_workflow"/>
             <field name="kind">function</field>
             <field name="action">write({'state': 'cancel'})</field>