Fix typos in README.

README.md

-# Homework 2
+# Homework 1
 
 Starter code for Homework 1 in the CSCE 310 course at UNL.
 
@@ -8,7 +8,7 @@ Recursively clone this repository and `cd` into the root folder:
 
 ```
 $ git clone --recursive git@git.unl.edu:csce-310/2023-fall-homework-1.git
-$ cd homework-1
+$ cd 2023-fall-homework-1
 ```
 
 (If you forget `--recursive` when cloning, you can `cd` into your clone and run