More updates

diff --git a/1-Shell/Readme.md b/1-Shell/Readme.md
index 8567d31c281031160107c40dfde8bd336173eb09..7b5be7b5fe47f119cc5a0e122715a1313ac5343f 100644 (file)
--- a/1-Shell/Readme.md
+++ b/1-Shell/Readme.md
@@ -13,14 +13,15 @@ The Shell \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
 
 \# What is the shell how do I access the shell?
 
-The shell presents a command line interface that allows you to
-control your computer using commands entered with a keyboard
-instead of controlling graphical user interfaces (GUIs) with a
-mouse/keyboard combination.
-
-To open the shell in Ubuntu, just click...
-
-or just type <ctrl\><alt\>t
+The *shell* is a program that presents a command line interface
+which allows you to control your computer using commands entered
+with a keyboard instead of controlling graphical user interfaces
+(GUIs) with a mouse/keyboard combination.
+
+A *terminal* is a program you run that gives you access to the
+shell. There are many different terminal programs that vary across
+operating systems. To open the default terminal in Ubuntu, just
+click... or just type <ctrl\><alt\>t