Update README.md

Author: dpinney

README.md

@@ -5,7 +5,7 @@ MicrogridUp Design Tool - for a given circuit, determine an optimal set of micro
 ## Installation (for Users)
 
 1. Install [Docker](https://docs.docker.com/get-docker/)
-1. Get the app `docker pull dpinney/microgridup`
+1. Get the app `docker pull ghcr.io/dpinney/microgridup:main`
 1. Start the app with `docker run -d -p 5000:5000 --name mgucont mguim`
 1. The web app will then be running at http://127.0.0.1:5000
 
@@ -14,4 +14,4 @@ MicrogridUp Design Tool - for a given circuit, determine an optimal set of micro
 1. You'll need python v3.6 or later.
 1. `pip install -e git+https://github.com/dpinney/microgridup`
 1. Test the code by running `python microgrid_test_3mg.py`
-1. Start the GUI with `python microgridup_gui.py`
+1. Start the GUI with `python microgridup_gui.py`