doc: missing brackets

PR-URL: nodejs#32657
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Myles Borins <[email protected]>

Author: William Bonawentura

doc/api/esm.md

@@ -1235,7 +1235,7 @@ console.log('I just set some globals!');
 
 const { createRequire } = getBuiltin('module');
 
-const require = createRequire(process.cwd + '/<preload>');
+const require = createRequire(process.cwd() + '/<preload>');
 // [...]
 `;
 }