The line number is displayed. Here is the screenshot:
If not displayed, you might need to adjust the vertical boundary to the right. You can also change the position by going to the plug-in properties. To go to Properties, you can right-click on the Search button on the Plug-ins toolbar, and then select Properties. You can also select Plug-ins, Customize Plug-ins on the Tools menu, select Search from the list, and click Properties.
Please see details at our help: