Update README.md

Author: wnelson03

README.md

@@ -13,7 +13,7 @@ For API, `keyauth.cc` will not work because I purposefully blocked it on there s
 
 **`KeyAuthApp` instance definition**
 
-Visit and select your application, then click on the **C#** tab
+Visit and select your application, then click on the **Python** tab
 
 It'll provide you with the code which you should replace with in the `Program.cs` file (or `Login.cs` file if using Form example)