revised description for challenge

seed/challenges/01-front-end-development-certification/object-oriented-and-functional-programming.json

@@ -563,10 +563,13 @@
       "id": "cf1111c1c16feddfaeb3bdef",
       "title": "Concatenate Arrays with .concat",
       "description": [
-        "<code>concat</code> can be used to merge the contents of two arrays into one.",
+        "<code>concat</code> can be used to merge the contents of two or more arrays into one.",
         "<code>concat</code> takes an array as an argument and returns a new array with the elements of this array concatenated onto the end.",
-        "Here is an example of <code>concat</code> being used to concatenate <code>otherArray</code> onto the end of <code>oldArray</code>:",
-        "<code>newArray = oldArray.concat(otherArray);</code>",
+        "Here are examples of <code>concat</code> being used to concatenate arrays:",
+        "Example 1: <code>otherArray</code> onto the end of <code>oldArray</code>:",
+        "<blockquote>newArray = oldArray.concat(otherArray);</blockquote>",
+        "Example 2: <code>newArray</code> with all the elements of <code>arr1</code>, <code>arr2</code>, and <code>arr3</code>:",
+        "<blockquote>newArray = arr1.concat(arr2, arr3);</blockquote>",
         "Use <code>.concat()</code> to concatenate <code>concatMe</code> onto the end of <code>oldArray</code> and assign it to <code>newArray</code>."
       ],
       "challengeSeed": [