diff --git a/README.md b/README.md
index 7bda5b0..cb265d2 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,9 @@ You will first need to download and install Python for the OS you are using. You
 
 https://www.python.org/downloads/
 
-Once Python has been installed, open the terminal and type in the following command:
+Once Python has been installed, open the terminal and type in the following commands:
 - pip3 install tkinter
+- pip3 install ttkwidgets
 
 ## Step 2: Download the Repository and Run the Code
 1. Download the entire source code from the latest release on github and unzip it.