diff --git a/docs/docs/native-docker.md b/docs/docs/native-docker.md
index 99f4e100a4b..a91a61c2a94 100644
--- a/docs/docs/native-docker.md
+++ b/docs/docs/native-docker.md
@@ -44,7 +44,9 @@ Docker version 1.0.0 or later installed on each slave node.
 
 ### Configure marathon
 
-1. Increase the marathon [command line option]({{ site.baseurl }}/docs/command-line-flags.html") `--task_launch_timeout` to at least the executor timeout you set on your slaves in the previous step.
+1. Increase the marathon [command line option]({{ site.baseurl }}/docs/command-line-flags.html)
+`--task_launch_timeout` to at least the executor timeout, in milliseconds, 
+you set on your slaves in the previous step.
 
 ### Resources