doc: fix navigator.hardwareConcurrency example

PR-URL: nodejs#50278
Refs: nodejs#47769
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/globals.md

@@ -634,7 +634,7 @@ The `navigator.hardwareConcurrency` read-only property returns the number of
 logical processors available to the current Node.js instance.
 
 ```js
-console.log(`This process is running on ${navigator.hardwareConcurrency}`);
+console.log(`This process is running on ${navigator.hardwareConcurrency} logical processors`);
 ```
 
 ### `navigator.userAgent`