diff --git a/README.md b/README.md
index 24b60e8..df6ed4d 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This library is considered production ready.  Feedback and feature requests are
 		return myLookupKey(token.Header["kid"])
 	})
 
-	if !err && token.Valid {
+	if err == null && token.Valid {
 		deliverGoodness("!")
 	} else {
 		deliverUtterRejection(":(")
@@ -26,4 +26,4 @@ This library is considered production ready.  Feedback and feature requests are
 	tokenString, err := token.SignedString(mySigningKey)
 ```	
 
-Documentation can be found [here](http://godoc.org/github.com/dgrijalva/jwt-go)
\ No newline at end of file
+Documentation can be found [here](http://godoc.org/github.com/dgrijalva/jwt-go)