after drawing a line, there is an anoying 'box' surounding the newly drawn line. This feature was not in the previous version of Adobe Acrobat. Is there any way to prevent this 'box' showing up. I just need a line.

after drawing a line, there is an anoying 'box' surounding the newly drawn line. This feature was not in the previous version of Adobe Acrobat. Is there any way to prevent this 'box' showing up. I just need a line.