README - evolving...

README.md

@@ -120,6 +120,9 @@ Now return to the **Tutorial main function** to plan your next adventure.
 ## Tutorial 2a: CakeTracker
 
 In this tutorial we will learn how, using only 4 more operators, we can melodize beethoven out of the water like a piece of cake.
+Have a look into the directory `tutorials/2a_caketracker/`.
+There is an orca program for each chapter.
+
 
 ### 1. Counter
 
@@ -155,7 +158,7 @@ Now return to the **Tutorial main function** to plan your next adventure.
 ## Tutorial 2b: Scopehero
 
 This is a _very_ **empowering** tutorial with its 13 operators covered.   
-Have a look into the directory `tutorials/2_scopehero/`.   
+Have a look into the directory `tutorials/2b_scopehero/`.   
 There is an orca program for each chapter.
 
 ### 1. Arithmetic