diff --git a/website/docs/using-plugins.md b/website/docs/using-plugins.md
index 7bb7d4a4d2a6..b93c375bb8a6 100644
--- a/website/docs/using-plugins.md
+++ b/website/docs/using-plugins.md
@@ -172,7 +172,7 @@ module.exports = {
         /**
          * Remark and Rehype plugins passed to MDX
          */
-        remarkPlugins: [],
+        remarkPlugins: [/* require('remark-math') */],
         rehypePlugins: [],
         /**
          * Truncate marker, can be a regex or string.
@@ -246,7 +246,7 @@ module.exports = {
         /**
          * Remark and Rehype plugins passed to MDX
          */
-        remarkPlugins: [],
+        remarkPlugins: [/* require('remark-math') */],
         rehypePlugins: [],
         /**
          * Whether to display the author who last updated the doc.