diff --git a/README.md b/README.md
index 440b40c..a057b52 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ $ N2N_KEY=encryptme ./edge -d n2n0 -c mynetwork -u 99 -g 99 -m 3C:A0:12:34:56:78
 Once you have this worked out, you can add the `-f` option to make edge detach
 and run as a daemon.
 
-Note that `-u`, `-g` and `-f` options are not available for Windows.
+Note that `-d`, `-u`, `-g` and `-f` options are not available for Windows.
 
 
 Supernode
@@ -116,4 +116,4 @@ NULL (-O3) 10659
 
 (C) 2007-2010 - Luca Deri <deri@ntop.org> and Richard Andrews <andrews@ntop.org>
 
-(C) 2016 - ntop
\ No newline at end of file
+(C) 2016 - ntop