diff --git a/README.md b/README.md
index d955c39..0ddce4d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Linux Containers support for Vagrant 1.1+
 
 * Vagrant 1.1+ (1.1.3+ recommended)
 * lxc 0.7.5+ (0.8.0-rc1+ recommended)
-* redir
+* redir (if you are planning to use port forwarding)
 * arch command (uname -m) on PATH
 * A Kernel [higher than 3.5.0-17.28](#help-im-unable-to-restart-containers)