[Solved]-Highchart yAxis plotLines label position-Highcharts

check xAxis.plotLines.label.y to adjust the label positin

Fiddle demo

 yAxis: {
    plotLines: [{
        color: 'red',
        width: 2,
        value: 100,
        label: {
            text: 'Plot line',
            align: 'right',
            y: 20, /*moves label down*/
        }
    }]
},