diff --git a/content/getting-started-with-docker-and-linux-on-the-raspberry-pi.md b/content/getting-started-with-docker-and-linux-on-the-raspberry-pi.md
index 9f3fce1..2f5f132 100644
--- a/content/getting-started-with-docker-and-linux-on-the-raspberry-pi.md
+++ b/content/getting-started-with-docker-and-linux-on-the-raspberry-pi.md
@@ -121,7 +121,7 @@ yum install nmap       # for red hat based distros
 First identify the IP address of your own workstation. Type
 
 ```
-hostname -I
+hostname -i
 ```
 
 As you can see in the following screenshot our IP address is `192.168.0.101`.