When you click the plus button to add a source, it should show a bar bellow it with a slider of how much you want from that source. So you just slide it to the

When you click the plus button to add a source, it should show a bar bellow it with a slider of how much you want from that source. So you just slide it to the minus side if you never wanna see that, or to the plus side if you wanna see it more often. If you're not seeing that, maybe something is wrong with your browser, try changing browsers or stopping extensions.