Merge branch 'whatwg:main' into main

Author: nathanmemmott

index.bs

@@ -127,7 +127,7 @@ systems.
 
 A user agent has an associated <dfn>file system queue</dfn> which is the
 result of [=starting a new parallel queue=]. This queue is to be used for all
-file sytem operations.
+file system operations.
 
 <div algorithm>
 To <dfn for="file system entry">take a lock</dfn> with a |value| of