fix(challenges): added code tags

Fixed the code tags in the description for Wrap Radio Buttons in a fieldset Element for Better
Accessibility

ISSUES CLOSED: #18054

challenges/01-responsive-web-design/applied-accessibility.json

@@ -770,7 +770,7 @@
         "Here's an example:",
         "<blockquote>&lt;form&gt;<br>&nbsp;&nbsp;&lt;fieldset&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;legend&gt;Choose one of these three items:&lt;/legend&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;input id=&quot;one&quot; type=&quot;radio&quot; name=&quot;items&quot; value=&quot;one&quot;&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;label for=&quot;one&quot;&gt;Choice One&lt;/label&gt;&lt;br&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;input id=&quot;two&quot; type=&quot;radio&quot; name=&quot;items&quot; value=&quot;two&quot;&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;label for=&quot;two&quot;&gt;Choice Two&lt;/label&gt;&lt;br&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;input id=&quot;three&quot; type=&quot;radio&quot; name=&quot;items&quot; value=&quot;three&quot;&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;label for=&quot;three&quot;&gt;Choice Three&lt;/label&gt;<br>&nbsp;&nbsp;&lt;/fieldset&gt;<br>&lt;/form&gt;<br></blockquote>",
         "<hr>",
-        "Camper Cat wants information about the ninja level of his users when they sign up for his email list. He's added a set of radio buttons, and learned from our last lesson to use label tags with <code>for</code> attributes for each choice. Go Camper Cat! However, his code still needs some help. Change the div tag surrounding the radio buttons to a fieldset tag, and change the p tag inside it to a legend."
+        "Camper Cat wants information about the ninja level of his users when they sign up for his email list. He's added a set of radio buttons, and learned from our last lesson to use label tags with <code>for</code> attributes for each choice. Go Camper Cat! However, his code still needs some help. Change the <code>div</code> tag surrounding the radio buttons to a <code>fieldset</code> tag, and change the <code>p</code> tag inside it to a <code>legend</code>."
       ],
       "tests": [
         {