Update README.md

hw4/README.md

-# Homework 2. Bloom Filter
+# Homework 4. Bloom Filter
 This homework assignment introduces an advanced use of hashing called a Bloom filter. 
 This homework assignment introduces an advanced use of hashing called a Bloom filter. 
 
 
-Due Date: *Friday May 1st, 2020 11:59 pm*
+Due Date: *Friday May 7, 11:59 pm*
 
 
 ## Initial Setup
 ## Initial Setup
-These initial setup instructions assume you've done ``hw0``. Before you start an assingment you should sync your cloned repository with the online one:
+Before you start an assingment you should sync your cloned repository with the online one:
 ```
 ```
 $ cd cmsc13600-materials
 $ cd cmsc13600-materials
 $ git pull
 $ git pull
 ```
 ```
 
 
-Copy the folder ``hw2`` to your newly cloned submission repository. Enter that repository from the command line and enter the copied ``hw2`` folder. In this homework assignment, you will only modify ``bloom.py``. Once you are done, you must add 'bloom.py' to git:
+Copy the folder ``hw4`` to your newly cloned submission repository. Enter that repository from the command line and enter the copied ``hw4`` folder. In this homework assignment, you will only modify ``bloom.py``. Once you are done, you must add 'bloom.py' to git:
 ```
 ```
 $ git add bloom.py 
 $ git add bloom.py 
 ```
 ```