doc: fix example description for worker_threads

PR-URL: #41341
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Franziska Hinkelmann <[email protected]>
Reviewed-By: Harshitha K P <[email protected]>
Reviewed-By: Mohammed Keyvanzadeh <[email protected]>

Author: krutoo

doc/api/worker_threads.md

@@ -47,7 +47,7 @@ if (isMainThread) {
 }
 ```
 
-The above example spawns a Worker thread for each `parse()` call. In actual
+The above example spawns a Worker thread for each `parseJSAsync()` call. In
 practice, use a pool of Workers for these kinds of tasks. Otherwise, the
 overhead of creating Workers would likely exceed their benefit.