Can I change the phrase "OK Google Now" to something else? I want to say a different name or phrase when I wake up my Moto X android.

Is there any way, or hack that I can use to change the name?

Ideally I don't want to "root" the phone because I don't know what that does and think that opens me up to security issues.
Apparently you can use the training software it includes and just train it to hear something else. As in, if it says "read this: " just say whatever you like.