Description of problem:
I cannot get to documentation either from welcoming screen or portal (Help ->Guide)

Version-Release number of selected component (if applicable):
ovirt-engine-4.2.1.2-0.1.el7.noarch

How reproducible:
always

Steps to Reproduce:
1.go to rhv server
2.Click to any documentation link
3.

Actual results:
Page not found - 404

Expected results:
Documentation is loaded

Additional info:

from engine.log:

2018-01-24 12:10:30,174+01 ERROR [org.ovirt.engine.core.utils.servlet.ServletUtils] (default task-32) [] Can't read file '/usr/share/doc/rhvm-doc/manual/en-US/manual/html/en_US/html/Introduction_to_the_Administration_Portal/index.html' for request '/ovirt-engine/docs/manual/en_US/html/Introduction_to_the_Administration_Portal/index.html', will send a 404 error response.

there is wrong link. URL that works is /usr/share/doc/rhvm-doc/manual/en-US/html/Introduction_to_the_Administration_Portal/index.html