Improved exercise instructions.

hasselg · hasselg · commit c1996555036f · 2014-04-12T07:00:31.000-04:00
Made the exercise instructions clearer. Replaced improper usage of "which" with "that."
diff --git a/loops/while.md b/loops/while.md
@@ -32,7 +32,7 @@ do {
 
 ---
 
-Create using a while-loop a variable named `message` which equals the concatenation of integers (0, 1, 2, ...) as long as its length (`message.length`) is less than 100.
+Using a while-loop, create a variable named `message` that equals the concatenation of integers (0, 1, 2, ...) as long as its length (`message.length`) is less than 100.
 
 ```js
 var message = "";
