diff --git a/modem-at-commands.md b/modem-at-commands.md
index 8994d69..71df9cb 100644
--- a/modem-at-commands.md
+++ b/modem-at-commands.md
@@ -81,10 +81,12 @@ sudo su
 
 You can start dongle with command:
 ```
-sudo su/usr/sbin/asterisk -rx 'dongle start dongle0'
+sudo su
+/usr/sbin/asterisk -rx 'dongle start dongle0'
 ```
 
 And then you can check it's status:
 ```
-sudo su/usr/sbin/asterisk -rx 'dongle show device state dongle0'
+sudo su
+/usr/sbin/asterisk -rx 'dongle show device state dongle0'
 ```