New review comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/24684#discussion_r485062870

Comment:
What do you mean? github renders it as 
```
<li>
<p><code>gem</code> For packages that are installed using gems from <a href="https://rubygems.org/" rel="nofollow">RubyGems</a>.
The gem command can be overridden by <code>gem_cmd</code>.
<code>distfiles</code> is set by the build style if the template does not do so. If your gem
provides extensions which must be compiled consider using the <code>gemspec</code> build style instead.</p>
</li>
```