Retain Focus on Label name box after adding a label

When I go about adding a bunch of labels to a page, I will click the box to add the the name, type then name, and then hit enter to add the label to the page.

Once I do this, it switches focus away from the input box, and to add another label if have to click the box and continue on.

Please enhance this process by keeping focus on the input box so I can type label name, hit enter, type label name, hit enter etc. for as many labels as I need.