docs: update link in md code blocks section (facebook#8975)

rbarbazz · slorber · web-flow · commit 8b109342c8a2 · 2023-05-15T14:38:07.000+02:00
Co-authored-by: S&eacute;bastien Lorber &lt;slorber@users.noreply.github.com&gt;
diff --git a/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx b/website/docs/guides/markdown-features/markdown-features-code-blocks.mdx
@@ -78,7 +78,7 @@ Because a Prism theme is just a JS object, you can also write your own theme if
 
 ### Supported Languages {#supported-languages}
 
-By default, Docusaurus comes with a subset of [commonly used languages](https://github.com/FormidableLabs/prism-react-renderer/blob/master/packages/generate-prism-languages/index.ts).
+By default, Docusaurus comes with a subset of [commonly used languages](https://github.com/FormidableLabs/prism-react-renderer/blob/master/packages/generate-prism-languages/index.ts#L9-L23).
 
 :::caution
 
