[Frontend] Correct escape type for HTML attribute example

Author: ChrisDBrown

frontend/server-data.rst

@@ -38,13 +38,13 @@ Fetch this in JavaScript:
         const user = JSON.parse(userRating.dataset.user);
 
 There is no size limit for the value of the ``data-*`` attributes, so you can
-store any content. In Twig, use the ``html_attr`` escaping strategy to avoid messing
+store any content. In Twig, use the ``html`` escaping strategy to avoid messing
 with HTML attributes. For example, if your ``User`` object has some ``getProfileData()``
 method that returns an array, you could do the following:
 
 .. code-block:: html+twig
 
-    <div data-user-profile="{{ app.user ? app.user.profileData|json_encode|e('html_attr') }}">
+    <div data-user-profile="{{ app.user ? app.user.profileData|json_encode|e('html') }}">
         <!-- ... -->
     </div>