How to change column span width in form layout.

Hi All,

I have built a form like below, here highlighted field has long text so some text is missing with "..." string so i want to increase the column span width it has column span has 3 so i want to change this width can any one help me on this.

I have code as GridLayout below...

var oLayout166 = new sap.ui.commons.form.GridLayout("L166");

var oForm166 = new sap.ui.commons.form.Form("F166",{

layout: oLayout166,

width: "50%",

formContainers: [

new sap.ui.commons.form.FormContainer("F1C166",{

title: "PURCHASING INFORMATION",

formElements: [

new sap.ui.commons.form.FormElement({

label: "Purchasing Org",

fields: [new sap.ui.commons.ComboBox("purchasingorg", {items : [

new sap.ui.core.ListItem("PurchasingOrg1", {text:""})],

required:true,

})

],

layoutData: new sap.ui.commons.layout.ResponsiveFlowLayoutData({linebreak: true, margin: true}),

}),