Fix typo in the docs (#3631)

website/docs/concepts/basic-web-technologies/web-sys.mdx

@@ -145,7 +145,7 @@ document.getElementById('mousemoveme').onmousemove = (e) => {
 
 ### `web-sys` example
 
-Using `web-sys` alone the above JavaSciprt example could be implemented like this:
+Using `web-sys` alone the above JavaScript example could be implemented like this:
 
 ```toml title=Cargo.toml
 [dependencies]