diff --git a/cluster/mesos/README.md b/cluster/mesos/README.md
index 1b08194d9c..ff9c4ae96c 100644
--- a/cluster/mesos/README.md
+++ b/cluster/mesos/README.md
@@ -12,7 +12,7 @@ containers on a Mesos cluster.
 ## Prerequisites
 
 Each node in your swarm must run a Mesos slave. The slave must be capable of
-starting tasks in a Docker Container using the `--containerizer=docker` option.
+starting tasks in a Docker Container using the `--containerizers=docker` option.
 
 You need to configure two TCP ports on the slave. One port to listen for the
 swarm manager, for example 2375. And a second TCP port to listen for the Mesos