Merge pull request #35390 from maxwelldb/fix-contributing-formatting-error

Fix an OL formatting error in contributor guide

Author: maxwelldb

contributing_to_docs/tools_and_setup.adoc

@@ -82,7 +82,7 @@ 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]: