fix comment

fault.go

@@ -21,9 +21,9 @@ func Wrap(err error, w ...Wrapper) error {
 		return nil
 	}
 
-	// The passed err might already have a location if it's a fault. New error, or it might not if it's another type of
+	// The passed err might already have a location if it's a 'fault.New' error, or it might not if it's another type of
 	// error like one from the standard library. Wrapping it in a container with an empty location ensures that the
-	// location will be reset when we flatten the error chain. If the error is a fault. New error, it will itself be
+	// location will be reset when we flatten the error chain. If the error is a 'fault.New' error, it will itself be
 	// wrapped in a container which will have a location.
 	if _, ok := err.(*container); !ok {
 		err = &container{