diff --git a/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx b/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx
index e9845370fe..6d712502bc 100644
--- a/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx
+++ b/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx
@@ -53,7 +53,13 @@ module.exports = {
 };
 ```
 
-By default, Docusaurus comes with this subset of [commonly used languages](https://github.com/FormidableLabs/prism-react-renderer/blob/master/src/vendor/prism/includeLangs.js).
+By default, Docusaurus comes with a subset of [commonly used languages](https://github.com/FormidableLabs/prism-react-renderer/blob/master/src/vendor/prism/includeLangs.js). 
+
+:::caution
+
+Some popular languages like Java, C#, or PHP are not enabled by default.
+
+:::
 
 To add syntax highlighting for any of the other [Prism supported languages](https://prismjs.com/#supported-languages), define it in an array of additional languages.