[iMore.com]

If you've recently upgraded to iOS 9, you may find that you can no longer sync your beautiful new Notes app with your Mac. This is because on OS X Yosemite, your Notes app is still the same sad, pre-attachment version that you had in iOS 8—and they can't talk to each other. But don't worry, friends: Instead, you can use iCloud.com for your syncing needs.

Full story from the iMore Blog...