I tried in many ways :
<record model="ir.actions.act_window" id="base.action_partner_form">
<field name="name">Customers-Crop</field>
</record>
<menuitem name="Customers-crop" id="menu_partner_form" parent="base.menu_sales" action="action_partner_form" sequence="1"/>
it was creating another menuitem down of Customers as Customers-crop . How to invisible or replace the Customers, can any help me??
Customers-Corp
This piece of code will change the menuitem name Customers to Customers-Corp