Description of problem:
In chapter 5.1.3 the file /etc/systemd/system/httpd.service.d/limits.conf is referenced to be modified, but the file does not exist at that point in time. So, the document should state you need to create the directory and put the example content into it.
Version-Release number of selected component (if applicable):
*** Bug 1588594 has been marked as a duplicate of this bug. ***