diff --git a/README.md b/README.md
index d194ee82..06455b3b 100644
--- a/README.md
+++ b/README.md
@@ -516,7 +516,8 @@ screen /dev/ttyUSB1 115200
 If you see an immediate `[screen is terminating]`, it may mean that you need super user rights.
 In this case, you may try using `sudo`.
 
-To exit from the `screen` command, you should press control and a together, then release these two keys and press `d`.
+To exit from the `screen` command, you should press `ctrl-a` followed by `k`.
+You will need to confirm the exit by pressing `y`.
 
 ## Debugging an application