Update editor-setup.mdx (#3585)

* Update editor-setup.mdx

Fixed typo

* Update editor-setup.mdx

Fixed a typo

website/versioned_docs/version-0.21/getting-started/editor-setup.mdx

@@ -130,7 +130,7 @@ Utilities like Rename, Go to Declaration, Find Usages will work inside the macro
 
 Rust-Yew extension is [avaliable on VSC Marketplace](https://marketplace.visualstudio.com/items?itemName=TechTheAwesome.rust-yew), providing syntax highlight, renames, hover, and more.
 
-Emmet support should work out of the box, if not please fall back to edditing the `settings.json` file:
+Emmet support should work out of the box, if not please fall back to editing the `settings.json` file:
 
 ```json
 "emmet.includeLanguages": {