doc: fix a code example in crypto.md

PR-URL: https://github.com/nodejs/node/pull/31313
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/crypto.md

@@ -1364,8 +1364,8 @@ const signature = sign.sign(privateKey, 'hex');
 const verify = crypto.createVerify('SHA256');
 verify.write('some data to sign');
 verify.end();
-console.log(verify.verify(publicKey, signature));
-// Prints: true or false
+console.log(verify.verify(publicKey, signature, 'hex'));
+// Prints: true
 ```
 
 Example: Using the [`sign.update()`][] and [`verify.update()`][] methods: