diff --git a/modules/purchase_trade/view/purchase_btb_form.xml b/modules/purchase_trade/view/purchase_btb_form.xml
index c38979d..7485948 100644
--- a/modules/purchase_trade/view/purchase_btb_form.xml
+++ b/modules/purchase_trade/view/purchase_btb_form.xml
@@ -25,6 +25,6 @@ this repository contains the full copyright notices and license terms. -->
         <field name="viewer" widget="html_viewer" height="300" width="600"/>
     </group> -->
     <newline/>
-    <field name="lines" mode="form" view_ids="purchase_trade.purchase_line_btb_view_form"/>
+    <field string="Bought" name="lines" mode="form" view_ids="purchase_trade.purchase_line_btb_view_form"/>
     <field name="party_lang" invisible="1"/>
 </form>
diff --git a/modules/purchase_trade/view/purchase_line_btb_form.xml b/modules/purchase_trade/view/purchase_line_btb_form.xml
index 32d26bc..813c30e 100644
--- a/modules/purchase_trade/view/purchase_line_btb_form.xml
+++ b/modules/purchase_trade/view/purchase_line_btb_form.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form cursor="product">
+<form cursor="product" col="4">
     <label name="purchase"/>
     <field name="purchase"/>
     <label name="product"/>
@@ -32,5 +32,5 @@ this repository contains the full copyright notices and license terms. -->
     <label name="amount"/>
     <field name="amount"/>
     <newline/>
-    <field name="fees"/>
+    <field name="fees" colspan="4"/>
 </form>
diff --git a/modules/purchase_trade/view/sale_btb_form.xml b/modules/purchase_trade/view/sale_btb_form.xml
index 62ba6fe..63ab38b 100644
--- a/modules/purchase_trade/view/sale_btb_form.xml
+++ b/modules/purchase_trade/view/sale_btb_form.xml
@@ -27,7 +27,7 @@ this repository contains the full copyright notices and license terms. -->
         <field name="viewer" widget="html_viewer" height="300" width="600"/>
     </group> -->
     <newline/>
-    <field name="lines" mode="form" view_ids="purchase_trade.sale_line_btb_view_form"/>
+    <field  string="Sold" name="lines" mode="form" view_ids="purchase_trade.sale_line_btb_view_form"/>
     <newline/>
     <field name="pnl"/>
     <field name="party_lang" invisible="1"/>