Removed reference to dog3.py

README.md

@@ -12,7 +12,7 @@ After downloading the program, enter the following command to navigate to the Re
 ```
 cd ReconDog && ls
 ```
-The directory contains two files: `dog.py` in python 2 and `dog3.py` in python 3. 
+The directory contains `dog.py` which you can run with Python 2 and 3. 
 
 Now run the script for your python version with the following command. 
 ```