Update README.md

Author: marissaschmidt

README.md

@@ -1,11 +1,17 @@
 # CS121-resources
 Student Materials for CS121 - Computer Science I.
 
-All code in this repository may be used in your programming
-projects with appropriate citation.
+All code in this repository may be used in your programming projects with appropriate citation.
 
 ## examples
-Book and in-class examples for each chapter.
+- Book and in-class examples for each chapter.
 
-## etext and etext.zip
-Text documents used in various labs and programming assignments.
+## exams
+ - Practice exams and study resources.
+
+## etext
+- Text documents used in various labs and programming assignments.
+- To get all documents, download etext.zip to your computer.
+
+## projects
+- Project starter files.