diff --git a/Mac_instructions.md b/Mac_instructions.md
index acb3700..e1a4a0f 100644
--- a/Mac_instructions.md
+++ b/Mac_instructions.md
@@ -5,5 +5,5 @@ Unfortunately, I have not found a permament solution for this, not being a Mac u
     1. You can also right-click (or equivalent) on the root folder to open a Terminal within the folder.
 2. Run the following command:
 ```
-python main.py
-```
\ No newline at end of file
+python app.py
+```