Merge pull request #27685 from vikram-redhat/master

updating tools section for alternate ruby guidelines

Author: vikram-redhat

contributing_to_docs/tools_and_setup.adoc

@@ -82,6 +82,13 @@ The following instructions describe how to install all the required tools to do
 live content editing on a Fedora Linux system.
 
 1. Install the _RubyGems_ package with `yum install rubygems`
+
+NOTE: On certain systems, `yum` installs an older version of RubyGems that can cause issues. As an alternative, you can install RubyGems by using RVM. The following example is referenced from the link:https://rvm.io/rvm/install[RVM site]:
+
+----
+$ curl -sSL https://get.rvm.io | bash -s stable --ruby
+----
+
 2. Install _Ruby_ development packages with `yum install ruby-devel`
 3. Install _gcc_ with `yum install gcc-c++`
 4. Install _redhat-rpm-config_ with `yum install redhat-rpm-config`