diff --git a/docs/day1.md b/docs/day1.md
index 9623056..cf4f210 100644
--- a/docs/day1.md
+++ b/docs/day1.md
@@ -128,7 +128,7 @@ Before we can dive into our web project we have to cover some Python basics. Let
 
     ![middle_stuff](img/day1/middle_stuff.png)
 
-1. Now type `python my_program.py` in the terminal and press enter. Nothing will return.
+1. Save the file with <kbd>ctrl</kbd>+<kbd>S</kbd>. Now type `python my_program.py` in the terminal and press enter. Nothing will return.
 
     ![functions_in_order](img/day1/functions_in_order.png)