docs: update content

docs/src/docPages/guide/extend-extensions.md

@@ -239,19 +239,19 @@ renderHTML({ HTMLAttributes }) {
 The `parseHTML()` function tries to load the editor document from HTML. The function gets the HTML DOM element passed as a parameter, and is expected to return an object with attributes and their values. Here is a simplified example from the [`Bold`](/api/marks/bold) mark:
 
 ```js
-  parseHTML() {
+parseHTML() {
   return [
     {
       tag: 'strong',
     },
   ]
-  },
+},
 ```
 
 This defines a rule to convert all `<strong>` tags to `Bold` marks. But you can get more advanced with this, here is the full example from the extension:
 
 ```js
-  parseHTML() {
+parseHTML() {
   return [
     // <strong>
     {
@@ -268,7 +268,7 @@ This defines a rule to convert all `<strong>` tags to `Bold` marks. But you can
       getAttrs: value => /^(bold(er)?|[5-9]\d{2,})$/.test(value as string) && null,
     },
   ]
-  },
+},
 ```
 
 This looks for `<strong>` and `<b>` tags, and any HTML tag with an inline style setting the `font-weight` to bold.