Restructured a sentence

silvermanj7 · web-flow · commit ccc7610187a8 · 2016-10-28T08:19:53.000-04:00
It's a little easier to read this way.
diff --git a/README.md b/README.md
@@ -99,9 +99,9 @@ jwt.sign({
 
 ### jwt.verify(token, secretOrPublicKey, [options, callback])
 
-(Asynchronous) If a callback is supplied, function acts asynchronously. Callback passed the payload decoded if the signature (and optionally expiration, audience, issuer) are valid. If not, it will be passed the error.
+(Asynchronous) If a callback is supplied, function acts asynchronously. Callback is passed the decoded payload if the signature and optional expiration, audience, or issuer are valid. If not, it will be passed the error.
 
-(Synchronous) If a callback is not supplied, function acts synchronously. Returns the payload decoded if the signature (and optionally expiration, audience, issuer) are valid. If not, it will throw the error.
+(Synchronous) If a callback is not supplied, function acts synchronously. Returns the payload decoded if the signature (and, optionally, expiration, audience, issuer) are valid. If not, it will throw the error.
 
 `token` is the JsonWebToken string
 
