Fix a couple typos

Reviewed-by: Remco Haszing <remcohaszing@gmail.com>
Reviewed-by: Christian Murphy <christian.murphy.42@gmail.com>
Reviewed-by: Titus Wormer <tituswormer@gmail.com>

Closes GH-2266.

docs/docs/getting-started.server.mdx

@@ -604,7 +604,7 @@ Install the webpack loader [`@mdx-js/loader`][mdx-loader].
 
 For importing MDX without the `!@mdx-js/loader!` prefix, you can add
 the loader to the webpack config, by rewiring `react-scripts` using
-[CRACO](http://github.com/gsoft-inc/craco).
+[CRACO](https://github.com/gsoft-inc/craco).
 
 See also [¶ Webpack][webpack], which is used in CRA, and see [¶ React][react],
 which you’re likely using, for more info.

docs/guides/syntax-highlighting.server.mdx

@@ -135,7 +135,7 @@ console.log(1)
 ```
 ````
 
-The `meta` part is everything after the language (in thise case, `js`).
+The `meta` part is everything after the language (in this case, `js`).
 This is a *hidden* part of markdown: it’s normally ignored.
 But as the above example shows, it’s a useful place to put some extra fields.
 

packages/mdx/lib/run.js

@@ -9,7 +9,7 @@ const AsyncFunction = Object.getPrototypeOf(run).constructor
  * @param {unknown} options
  *   Parameter.
  * @return {Promise<any>}
- *   Anthing.
+ *   Anything.
  */
 export async function run(file, options) {
   return new AsyncFunction(String(file))(options)
@@ -23,7 +23,7 @@ export async function run(file, options) {
  * @param {unknown} options
  *   Parameter.
  * @return {any}
- *   Anthing.
+ *   Anything.
  */
 export function runSync(file, options) {
   // eslint-disable-next-line no-new-func