Merge pull request #601 from tcdowney/patch-1

Update reference to Bionic in Stack tutorial

docs/operator-guide/create-a-stack/index.html

@@ -707,7 +707,7 @@ <h2 id="prerequisites">Prerequisites</h2>
 <p>Before we get started, make sure you&rsquo;ve got the following installed:</p>
 <a href='https://store.docker.com/search?type=edition&amp;offering=community' class='download-button button icon-button bg-blue'> Install Docker </a><br />
 <h2 id="creating-a-custom-stack">Creating a custom stack</h2>
-<p>In this tutorial we will create a sample stack based on <code>Ubuntu Bionic</code>. To create a custom stack, we need to create customized build and run images. Let&rsquo;s see how we can do so!</p>
+<p>In this tutorial we will create a sample stack based on <code>Ubuntu Jammy Jellyfish</code>. To create a custom stack, we need to create customized build and run images. Let&rsquo;s see how we can do so!</p>
 <h3 id="create-a-common-base-image">Create a common base image</h3>
 <p>Let&rsquo;s start by creating a base image containing layers that will be required by both the <code>build</code> and <code>run</code> images. In order to do this, switch to a clean workspace and create a <code>Dockerfile</code> as specified below:</p>
 <h4 id="defining-the-base">Defining the base</h4>