Random p tag being added to output

Hi! Thanks for this wonderful plugin. It makes managing links a lot easier and approachable for non technical folk.

I am having an issue with the [link-library] shortcode outputting a comment

<!-- Beginning of Link Library Output -->

that ends up being wrapped in a P tag. I am hiding empty P tags, but — as this one has actual content, albeit invisible — it still shows. I’ve modified the file render-link-library-sc.php such that lines 356-360 read

	if ( false ) {
		$output = "\n<!-- Beginning of Link Library Output -->\n\n";
	} else {
		$output = '';
	}

But, of course, that means I have to make the change every time you release a new version. Would it be possible to remove the surrounding \n tags (which WordPress insists on treating as a paragraph break) from line 357?

Thank you for your help!