Fix typo

wooorm · web-flow · commit eeed1514a659 · 2021-02-08T18:35:47.000+01:00
diff --git a/readme.md b/readme.md
@@ -302,7 +302,7 @@ abide by its terms.
 
 [micromark]: https://github.com/micromark/micromark
 
-[extension]: https://github.com/micromark/micromark-extension-mdxjs-esm
+[extension]: https://github.com/micromark/micromark-extension-mdx-expression
 
 [mdx]: https://github.com/micromark/micromark-extension-mdx
 
