fix(curriculum): fix intro text for DOM lecture block (freeCodeCamp#5…

…8513)

client/i18n/locales/english/intro.json

@@ -2944,7 +2944,7 @@
       "lecture-working-with-the-dom-click-events-and-web-apis": {
         "title": "Working with the DOM, Click Events, and Web APIs",
         "intro": [
-          "In these lecture videos, you will learn how to work with the Document Object Model (DOM), the `addEventListener()` method and events, and web APIs."
+          "In these lecture videos, you will learn how to work with the Document Object Model (DOM), the <code>addEventListener()</code> method and events, and web APIs."
         ]
       },
       "workshop-storytelling-app": {