Correct an obvious typo (#13567)

Arthur-Milchior · AnilSeervi · skedwards88 · web-flow · commit 724a274245fa · 2022-01-13T01:26:54.000Z
Co-authored-by: Anil Seervi &lt;eurus2000@protonmail.ch&gt;
Co-authored-by: Sarah Edwards &lt;skedwards88@github.com&gt;
diff --git a/content/pages/setting-up-a-github-pages-site-with-jekyll/about-github-pages-and-jekyll.md b/content/pages/setting-up-a-github-pages-site-with-jekyll/about-github-pages-and-jekyll.md
@@ -112,7 +112,7 @@ For a list of supported plugins, see "[Dependency versions](https://pages.github
 
 To make your site easier to read, code snippets are highlighted on {% data variables.product.prodname_pages %} sites the same way they're highlighted on {% data variables.product.product_name %}. For more information about syntax highlighting on {% data variables.product.product_name %}, see "[Creating and highlighting code blocks](/articles/creating-and-highlighting-code-blocks)."
 
-By default, code blocks on your site will be highlighted by Jekyll. Jekyll uses the [Rouge](https://github.com/jneen/rouge) highlighter, which is compatible with [Pygments](http://pygments.org/). If you specify Pygments in your *_config.yml* file, Rouge will be used instead. Jekyll cannot use any other syntax highlighter, and you'll get a page build warning if you specify another syntax highlighter in your *_config.yml* file. For more information, see "[About Jekyll build errors for {% data variables.product.prodname_pages %} sites](/articles/about-jekyll-build-errors-for-github-pages-sites)."
+By default, code blocks on your site will be highlighted by Jekyll. Jekyll uses the [Rouge](https://github.com/jneen/rouge) highlighter, which is compatible with [Pygments](http://pygments.org/). Pygments has been deprecated and not supported in Jekyll 4. If you specify Pygments in your *_config.yml* file, Rouge will be used as the fallback instead. Jekyll cannot use any other syntax highlighter, and you'll get a page build warning if you specify another syntax highlighter in your *_config.yml* file. For more information, see "[About Jekyll build errors for {% data variables.product.prodname_pages %} sites](/articles/about-jekyll-build-errors-for-github-pages-sites)."
 
 If you want to use another highlighter, such as `highlight.js`, you must disable Jekyll's syntax highlighting by updating your project's *_config.yml* file.
 
