Updated with some new tidbits

using-git/README.md

@@ -23,7 +23,7 @@ The first thing to do is to open your terminal application, and ``clone`` this r
 ```
 ```
 $ git clone https://mit.cs.uchicago.edu/cmsc13600-spr-19/skr.git cmsc13600-submit
 $ git clone https://mit.cs.uchicago.edu/cmsc13600-spr-19/skr.git cmsc13600-submit
 ```
 ```
-This will create a new folder that is empty titled cmsc13600-submit. There is similarly a course repository where all of the homework materials will stored. Youshould clone this repository as well:
+Your username and id is your CNET id and CNET password. This will create a new folder that is empty titled cmsc13600-submit. There is similarly a course repository where all of the homework materials will stored. Youshould clone this repository as well:
 ```
 ```
 $ git clone https://mit.cs.uchicago.edu/skr/cmsc13600-public.git cmsc13600-materials 
 $ git clone https://mit.cs.uchicago.edu/skr/cmsc13600-public.git cmsc13600-materials 
 ```
 ```