Broken link in help doc

[psexton]

In the main help page (./doc/xunit_product_page.html) the link to the documentation for addpath is broken.

Current link: http://www.mathworks.com/access/helpdesk/help/techdoc/matlab_env/f10-26235.html
Corrected link: https://www.mathworks.com/help/matlab/ref/addpath.html