Fix link in docs

docs/docs/extending-mdx.mdx

@@ -84,12 +84,12 @@ See also the [list of remark plugins][remark-plugins] and
 * [`remcohaszing/recma-nextjs-static-props`](https://github.com/remcohaszing/recma-nextjs-static-props)
   — generate [`getStaticProps`](https://nextjs.org/docs/basic-features/data-fetching/get-static-props)
   exposing top level identifiers in Next.js
+* [`remcohaszing/rehype-mdx-code-props`](https://github.com/remcohaszing/rehype-mdx-code-props)
+  — interpret the code `meta` field as JSX props
 * [`remcohaszing/rehype-mdx-title`](https://github.com/remcohaszing/rehype-mdx-title)
   — expose the page title as a string
 * [`pangelani/remark-mdx-chartjs`](https://github.com/pangelani/remark-mdx-chartjs)
   — replace fenced code blocks with charts using [`react-chartjs-2`](https://react-chartjs-2.js.org/).
-* [`remcohaszing/remark-mdx-code-meta`](https://github.com/remcohaszing/remark-mdx-code-meta)
-  — interpret the code `meta` field as JSX props
 * [`remcohaszing/remark-mdx-frontmatter`](https://github.com/remcohaszing/remark-mdx-frontmatter)
   — change frontmatter (YAML) metadata to exports
 * [`remcohaszing/remark-mdx-images`](https://github.com/remcohaszing/remark-mdx-images)
@@ -102,7 +102,7 @@ please use alpha sorting on **project** name!
 You can use this template:
 
 *   [`user/project`](https://github.com/user/project)
-    — A somewhat short description of the project
+    — a somewhat short description of the project
 */}
 
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