Mention to use closing or self-closing tags for slide shortcode

exampleSite/content/home/shortcodes/markdown.md

@@ -16,6 +16,11 @@ Reveal.js has its own [markdown processor](https://github.com/hakimel/reveal.js#
 {{</* /markdown */>}}
 ```
 
+<br>
+<small>
+💡 Make sure to use the `{{</* */>}}` shortcode syntax to avoid rendering by Hugo.
+</small>
+
 ---
 
 <!-- .slide: data-background="#FF4081" -->

exampleSite/content/home/shortcodes/slide.md

@@ -44,6 +44,6 @@ Customize individual slide parameters like background color and transition.
 
 {{% section %}}
 
-{{< slide content="home.example" >}}
+{{% slide content="home.example" /%}}
 
 {{% /section %}}