update lab2

Labs/Lab2/git-pr/README.md

@@ -75,7 +75,7 @@ Click "Add SSH Key" to finish adding it.
 Create a public repo called
 "cs320-lab2". Do NOT initialize the repo by clicking on any checkbox at this step. Do NOT select "Add a README file".
 
-This should create a repo. Go to that repo. Click the **Clone** button, and then click **ssh**. Copy the commands in it. We want to run those in a new directory on your computer.  So run this in the terminal:
+This should create a repo. Go to that repo. Click the **Clone** button, and then click **http**. Copy the commands in it. We want to run those in a new directory on your computer.  So run this in the terminal:
 
 ```
 mkdir cs320-lab2