update basic ajax chal

ajax/basic/CHALLENGES.md

@@ -1,9 +1,10 @@
 # AJAX Challenges
 
-_For each challenge listed below, save your answer to a file named challenge#.html (replacing the
-"#" symbol with the challenge number) and then push this file to your GitHub repo. For example, your
-solution to the first challenge should be saved to a file named ```challenge1.html``` in this
-directory._
+_For each challenge listed below, create a directory named challenge# (replacing the
+"#" symbol with the challenge number), add your files to this directory, and then when you are
+ready, commit the files and push them to your public GitHub repo. For example, your solution to the 
+first challenge should be in a directory named ```challenge1/``` inside of this current directory._
+
 
 1. Display each of the ```awesome_things``` as a list element ```<li>``` in an ordered list ```<ol>``` in the order of their rank.
 2. When clicking on an element in the awesome things list, display the imageurl of the awesome thing on