diff --git a/docs/definitions.md b/docs/definitions.md
index 862b956..f6e9484 100644
--- a/docs/definitions.md
+++ b/docs/definitions.md
@@ -220,6 +220,18 @@ results in
 <pre><code>
 some code
 </code></pre>
+```
+
+    ```cpp
+    int a = 42;
+    ```
+
+results in
+
+```html
+<pre class="cpp"><code>
+int a = 42;
+</code></pre>
 ```
 
 ## Inline code