diff --git a/addons/purchase/views/product_views.xml b/addons/purchase/views/product_views.xml
index 25d9fc41d59..638f3c75b10 100644
--- a/addons/purchase/views/product_views.xml
+++ b/addons/purchase/views/product_views.xml
@@ -58,7 +58,7 @@
                         </group>
                         <group string="Warning when Purchasing this Product" groups="purchase.group_warning_purchase">
                             <field name="purchase_line_warn" nolabel="1" colspan="2"/>
-                            <field name="purchase_line_warn_msg" colspan="2" nolabel="1"
+                            <field name="purchase_line_warn_msg" colspan="2" nolabel="1" placeholder="Type a message..."
                                 attrs="{'required':[('purchase_line_warn','!=','no-message')],'readonly':[('purchase_line_warn','=','no-message')], 'invisible':[('purchase_line_warn','=','no-message')]}"/>
                         </group>
                     </group>
diff --git a/addons/sale/views/product_views.xml b/addons/sale/views/product_views.xml
index c0d9721e1f2..4404f43c756 100644
--- a/addons/sale/views/product_views.xml
+++ b/addons/sale/views/product_views.xml
@@ -61,7 +61,7 @@
                 <t groups="sales_team.group_sale_salesman">
                     <group string="Warning when Selling this Product" groups="sale.group_warning_sale">
                         <field name="sale_line_warn" nolabel="1" colspan="2"/>
-                        <field name="sale_line_warn_msg" colspan="2" nolabel="1"
+                        <field name="sale_line_warn_msg" colspan="2" nolabel="1" placeholder="Type a message..."
                                 attrs="{'required':[('sale_line_warn','!=','no-message')],'readonly':[('sale_line_warn','=','no-message')]}"/>
                     </group>
                 </t>