diff --git a/jsonwebtoken/jsonwebtoken-tests.ts b/jsonwebtoken/jsonwebtoken-tests.ts
index c4e42f054..6aadaa82c 100644
--- a/jsonwebtoken/jsonwebtoken-tests.ts
+++ b/jsonwebtoken/jsonwebtoken-tests.ts
@@ -60,13 +60,13 @@ jwt.verify(token, cert, { audience: 'urn:foo', issuer: 'urn:issuer' }, function(
 // verify algorithm
 cert = fs.readFileSync('public.pem');  // get public key
 jwt.verify(token, cert, { algorithms: ['RS256'] }, function(err, decoded) {
-  // if issuer mismatch, err == invalid issuer
+  // if algorithm mismatch, err == invalid algorithm
 });
 
 // verify without expiration check
 cert = fs.readFileSync('public.pem');  // get public key
 jwt.verify(token, cert, { ignoreExpiration: true }, function(err, decoded) {
-  // if issuer mismatch, err == invalid issuer
+  // if ignoreExpration == false and token is expired, err == expired token
 });
 
 /**