Update change_ip_address.md

change_ip_address.md

@@ -4,7 +4,7 @@
 Edit the config file and restart the network stack 
 (NOTE: If you do this wrong, you may loose network connection - make sure you can get to the system physically or via your virtualization console if it goes wrong)
 
-```sudo nano /etc/netplan/01-netcfg.yml```
+```sudo nano /etc/netplan/01-netcfg.yaml```
 - Change address/gateway/nameservers as needed
 ctrl+O to save, ctrl+X to exit