diff --git a/docs/01-prerequisites.md b/docs/01-prerequisites.md
index d8804e4..74f67c9 100644
--- a/docs/01-prerequisites.md
+++ b/docs/01-prerequisites.md
@@ -44,4 +44,14 @@ gcloud config set compute/zone us-west1-c
 
 > Use the `gcloud compute zones list` command to view additional regions and zones.
 
+## Running commands in parallel with tmux
+
+[tmux](https://github.com/tmux/tmux/wiki) can be used to run commands on multiple compute instances at the same time. Consider splitting a tmux window into multiple panes and enabling `synchronize-panes` to speed up the provisioning process.
+
+> The use of tmux is optional and not required to complete this tutorial.
+
+![tmux screenshot](images/tmux-screenshot.png)
+
+> Enable `synchronize-panes`: `ctrl+b` then `shift :`. Then type `set synchronize-panes on` at the prompt. To disable synchronization: `set synchronize-panes off`.
+
 Next: [Installing the Client Tools](02-client-tools.md)
diff --git a/docs/07-bootstrapping-etcd.md b/docs/07-bootstrapping-etcd.md
index b666729..f34c3de 100644
--- a/docs/07-bootstrapping-etcd.md
+++ b/docs/07-bootstrapping-etcd.md
@@ -6,20 +6,13 @@ Kubernetes components are stateless and store cluster state in [etcd](https://gi
 
 The commands in this lab must be run on each controller instance: `controller-0`, `controller-1`, and `controller-2`. Login to each controller instance using the `gcloud` command. Example:
 
+### Running commands in parallel with tmux
+
+[tmux](https://github.com/tmux/tmux/wiki) can be used to run commands on multiple compute instances at the same time. See the [Running commands in parallel with tmux](01-prerequisites.md#running-commands-in-parallel-with-tmux) section in the Prerequisites lab.
 ```
 gcloud compute ssh controller-0
 ```
 
-### Running commands in parallel with tmux
-
-[tmux](https://github.com/tmux/tmux/wiki) can be used to run commands on multiple compute instances at the same time. Consider splitting a tmux window into multiple panes and enabling `synchronize-panes` to speed up the provisioning process.
-
-> The use of tmux is optional and not required to complete this tutorial.
-
-![tmux screenshot](images/tmux-screenshot.png)
-
-> Enable `synchronize-panes`: `ctrl+b` then `shift :`. Then type `set synchronize-panes on` at the prompt. To disable synchronization: `set synchronize-panes off`.
-
 ## Bootstrapping an etcd Cluster Member
 
 ### Download and Install the etcd Binaries