doc: fix confusing example in process.md

PR-URL: #12282
Fixes: #12280
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Alexey Orlenko <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Gibson Fahnestock <[email protected]>

Author: vsemozhetbyt

doc/api/process.md

@@ -1243,9 +1243,12 @@ function maybeSync(arg, cb) {
 This API is hazardous because in the following case:
 
 ```js
-maybeSync(true, () => {
+const maybeTrue = Math.random() > 0.5;
+
+maybeSync(maybeTrue, () => {
   foo();
 });
+
 bar();
 ```