puppetlabs/puppet-docs — pull request #271 by rnelson0 (2014-01-11 19:43:52+00:00)
Title: Update to RHEL6 instructions, requires additional channel

To install puppet on RHEL6, an additional channel (repo) is required,
the RHEL6 Optional Channel. Rather than provide explicit directions, as
they have changed a few times over the life of RHEL6, a link is provide
to redhat.com for the viewer to follow.