minor

1-js/13-modules/01-modules-intro/article.md

@@ -296,7 +296,7 @@ There are two notable differences of external module scripts:
     <script type="module" src="my.js"></script>
     ```
 
-2. External scripts that are fetched from another domain require [CORS](mdn:Web/HTTP/CORS) headers. In other words, if a module script is fetched from another domain, the remote server must supply a header `Access-Control-Allow-Origin: *` (may use fetching domain instead of `*`) to indicate that the fetch is allowed.
+2. External scripts that are fetched from another origin (e.g. another site) require [CORS](mdn:Web/HTTP/CORS) headers, as described in the chapter <info:fetch-crossorigin>. In other words, if a module script is fetched from another origin, the remote server must supply a header `Access-Control-Allow-Origin: *` (may use site domain instead of `*`) to indicate that the fetch is allowed.
     ```html
     <!-- another-site.com must supply Access-Control-Allow-Origin -->
     <!-- otherwise, the script won't execute -->

1-js/13-modules/02-import-export/article.md

@@ -209,11 +209,15 @@ For instance, these are all perfectly valid default exports:
 export default class { // no class name
   constructor() { ... }
 }
+```
 
+```js
 export default function(user) { // no function name
   alert(`Hello, ${user}!`);
 }
+```
 
+```js
 // export a single value, without making a variable
 export default ['Jan', 'Feb', 'Mar','Apr', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
 ```