Fix shell header

Made the title line into title markup and rephrased the intro title so that it make sense.

diff --git a/shell/Readme.md b/shell/Readme.md
index 84ef756fbc5a5b8233691276b92a9e0a13cd9581..d2c55ad1ead979b9daa032f46236c34db960e797 100644 (file)
--- a/shell/Readme.md
+++ b/shell/Readme.md
@@ -2,7 +2,7 @@
 
 **Material by Paul Wilson, Milad Fatenejad, Sasha Wood, and Radhika Khetani**
 
-# What is the shell how do I access the shell?
+# What is the shell? How do I access the shell?
 
 The *shell* is a program that presents a command line interface
 which allows you to control your computer using commands entered