diff --git a/README.md b/README.md
index bdd5ede..709bf1c 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ Unbrick a Hikvision device. Use as follows:
 
 Setup the expected IP address:
 
-    linux$ sudo ifconfig eth0:0 192.0.0.128
+    linux$ sudo ip addr add 192.0.0.128/24 dev enp4s0
     osx$   sudo ifconfig en0 alias 192.0.0.128 255.255.255.0
 
 Download the firmware to use:
@@ -35,7 +35,15 @@ there are two known configurations:
 
 This program defaults to the former. The latter requires commandline overrides:
 
-    $ sudo ./hikvision_tftp.py --server-ip=172.9.18.80 --filename=digicap.mav
+```bash
+sudo ./hikvision_tftp.py --server-ip=192.0.0.128 --filename=digicap.dav
+```
+
+OR
+
+```bash
+sudo ./hikvision_tftp.py --server-ip=172.9.18.80 --filename=digicap.mav
+```
 
 If nothing happens when your device restarts, your device may be expecting
 another IP address. tcpdump may be helpful in diagnosing this:
diff --git a/hikvision_tftpd.py b/hikvision_tftpd.py
index 5412e1f..a5eedb1 100755
--- a/hikvision_tftpd.py
+++ b/hikvision_tftpd.py
@@ -55,10 +55,10 @@ def _bind(self, addr):
                 raise Error(
                     ('Address %s:%d not available.\n\n'
                      'Try running:\n'
-                     'linux$ sudo ifconfig eth0:0 %s\n'
+                     'linux$ sudo ip addr add 192.0.0.128/24 dev enp4s0 %s\n'
                      'osx$   sudo ifconfig en0 alias %s '
                      '255.255.255.0\n\n'
-                     '(adjust eth0 or en0 to taste. see "ifconfig -a" output)')
+                     '(adjust eth0 or en0 to taste. see "ip addr" output)')
                     % (addr[0], addr[1], addr[0], addr[0]))
             if e.errno == errno.EADDRINUSE:
                 raise Error(