To add text to a Step, tap on the Instructions Panel at the bottom of the screen. This will bring up the keyboard, and allow you to to fill in information about your Jig and the focus of this Step.
Adding text to Steps can be both instructive and informative. Transforming a series of Steps featuring 3D objects, into an in depth exploration of what your models are and how they work.
If you have information you need to copy from a document onto your Jig, feel free to copy and paste it to make assembling your Jig a breeze.