diff --git a/account_move_line_sale_info/views/account_move_view.xml b/account_move_line_sale_info/views/account_move_view.xml
index 984543f7..260b3783 100644
--- a/account_move_line_sale_info/views/account_move_view.xml
+++ b/account_move_line_sale_info/views/account_move_view.xml
@@ -25,10 +25,12 @@
             <field name="partner_id" position="after">
                 <field
                     name="sale_order_id"
+                    optional="show"
                     groups="account_move_line_sale_info.group_account_move_sale_info"
                 />
                 <field
                     name="sale_line_id"
+                    optional="hide"
                     groups="account_move_line_sale_info.group_account_move_sale_info"
                 />
             </field>
@@ -52,14 +54,14 @@
             <filter name="group_by_partner" position="after">
                 <filter
                     name="group_by_sale_order"
-                    string="sale Order"
+                    string="Sale Order"
                     domain="[]"
                     context="{'group_by':'sale_order_id'}"
                     groups="account_move_line_sale_info.group_account_move_sale_info"
                 />
                 <filter
                     name="group_by_sale_order_line"
-                    string="sale Order Line"
+                    string="Sale Order Line"
                     domain="[]"
                     context="{'group_by':'sale_line_id','so_line_info':True}"
                     groups="account_move_line_sale_info.group_account_move_sale_info"