diff --git a/addons/purchase/security/purchase_security.xml b/addons/purchase/security/purchase_security.xml
index 7edf1066426..1577a337bab 100644
--- a/addons/purchase/security/purchase_security.xml
+++ b/addons/purchase/security/purchase_security.xml
@@ -76,7 +76,7 @@
         <field name="groups" eval="[(4, ref('purchase.group_purchase_user'))]"/>
     </record>
     <record id="portal_purchase_order_line_rule" model="ir.rule">
-        <field name="name">Portal Purhcase Orders Line</field>
+        <field name="name">Portal Purchase Order Lines</field>
         <field name="model_id" ref="purchase.model_purchase_order_line"/>
         <field name="domain_force">['|',('order_id.message_partner_ids','child_of',[user.commercial_partner_id.id]),('order_id.partner_id','child_of',[user.commercial_partner_id.id])]</field>
         <field name="groups" eval="[(4, ref('base.group_portal'))]"/>