Clarify use of tags

README.md

@@ -2,13 +2,14 @@
 
 This is the code behind the tutorial [Make a Solid app on your lunch break](https://solid.inrupt.com/docs/app-on-your-lunch-break)
 
-An easy way to use it is to clone this tutorial locally:
+It has tags defined for each step of the tutorial.  Thus,
+an easy way to use it is to clone this tutorial locally:
 
     git clone [email protected]:solid/profile-viewer-tutorial.git
 
 and then, as you follow the instructions in the tutorial, follow along here step-by-step with the commits to this repository.
 
-E.g., follow the initial steps to get yourself a Solid pod.  Then
+E.g., follow the initial steps to get yourself a Solid pod.  Then move to the tag for the first step,
 
     git checkout tutorials/lunch-break/steps/01