diff --git a/Step_3.md b/Step_3.md
index d2d7f4788dba4067eefc40eac161a5af2736e20a..7b03cdf585fe46b6a6850cb72270462512dae461 100644
--- a/Step_3.md
+++ b/Step_3.md
@@ -75,7 +75,7 @@ that they are built, you can run the server with:
 $ ./run_greetings_server.sh
 ```
 
-and in another termainal window confirm that it receives a message.
+and in another terminal window confirm that it receives a message.
 
 ```
 $ ./run_greetings_client.sh