iPad 2 allow you to change the setting of your keyboard dictionary. Overtime you may not like to keeps this setting and you want to reset the iPad 2 keyboard dictionary back to default. Here's how:
1. Go to the Home Screen.
2. Tap on Settings.
3. Tap on General.
4. Tap on Reset.
5. Now select Reset Keyboard Dictionary.
Your Keyboard Dictionary should go back to default.