@@ -171,10 +171,10 @@ func (e notImplementedError) NotImplemented() bool {

 	return true

 }

-// IsNotImplementedError returns true if the error is a NotImplemented error.

+// IsErrNotImplemented returns true if the error is a NotImplemented error.

 // This is returned by the API when a requested feature has not been

 // implemented.

-func IsNotImplementedError(err error) bool {

+func IsErrNotImplemented(err error) bool {

 	te, ok := err.(notImplementedError)

 	return ok && te.NotImplemented()

 }