Fixed mistake from using question-page (#122)

| Before | After |
| --- | ----- |
| <img width="678" alt="text with H1 tag"
src="https://github.com/user-attachments/assets/60f560a2-bd91-4d8a-976f-0d8900c50994">
| <img width="449" alt="text changed to legend and text"
src="https://github.com/user-attachments/assets/754e79b6-f849-4b01-bcc3-08124774f4ed">
|

app/views/how-tos/build-basic-prototype/create-pages.html

@@ -77,12 +77,14 @@ <h3 id="question-pages">Question pages</h3>
 </ul>
 <p>
   In the <code class="language-markup">{{exampleRadios.url}}.html</code> file,
-  change the text inside the <code class="language-markup">&lt;h1&gt;</code> tag
+  change the text after <code class="language-markup">"legend": {
+    "text": </code>
   from "Heading or question goes here" to "{{exampleRadios.title}}".
 </p>
 <p>
   In the <code class="language-markup">{{exampleTextArea.url}}.html</code> file,
-  change the text inside the <code class="language-markup">&lt;h1&gt;</code> tag
+  change the text after <code class="language-markup">"legend": {
+    "text": </code>
   to "{{exampleTextArea.title}}".
 </p>
 <h3 id="{{exampleCheckAnswers.url}}-page">'Check answers' page</h3>