Apple MacBook Air (11-inch, Late 2010) - Manual (Page 31)

31 Chapter 2 Life with Your MacBook Air
 Secondary-clicking or “right-clicking” lets you access shortcut menu commands.
• To set up a one-finger secondary-click zone in the bottom left or right corner of
the trackpad, select Secondary Click under the One Finger option in Trackpad
preferences.
Secondary-click zone
• To set up two-finger secondary-clicking anywhere on the trackpad, select
Secondary Click under the Two Fingers option in Trackpad preferences.
Note: You can also secondary-click by holding down the Control key while you click.