diff --git a/pydu/network.py b/pydu/network.py
index 265a810..f490a92 100644
--- a/pydu/network.py
+++ b/pydu/network.py
@@ -13,7 +13,6 @@ def dotted_netmask(mask):
     return socket.inet_ntoa(struct.pack('>I', bits))
 
 
-# todo doc
 # https://github.com/kennethreitz/requests/blob/master/requests/utils.py
 def is_ipv4_address(ip):
     try: