diff --git a/slides/common/prereqs.md b/slides/common/prereqs.md
index c6c3a2cb..7d3bd76d 100644
--- a/slides/common/prereqs.md
+++ b/slides/common/prereqs.md
@@ -86,15 +86,15 @@ class: in-person
 
 class: in-person, pic
 
-![You get five VMs](images/you-get-five-vms.jpg)
+![You get a cluster](images/you-get-a-cluster.jpg)
 
 ---
 
 class: in-person
 
-## You get five VMs
+## You get a cluster of cloud VMs
 
-- Each person gets 5 private VMs (not shared with anybody else)
+- Each person gets a private cluster of cloud VMs (not shared with anybody else)
 
 - They'll remain up for the duration of the workshop
 
diff --git a/slides/images/you-get-a-cluster.jpg b/slides/images/you-get-a-cluster.jpg
new file mode 100644
index 00000000..0f8949af
Binary files /dev/null and b/slides/images/you-get-a-cluster.jpg differ
diff --git a/slides/swarm/operatingswarm.md b/slides/swarm/operatingswarm.md
index 0289c1ac..9d7c5a68 100644
--- a/slides/swarm/operatingswarm.md
+++ b/slides/swarm/operatingswarm.md
@@ -10,7 +10,7 @@ Otherwise: check [part 1](#part-1) to learn how to set up your own cluster.
 
 We pick up exactly where we left you, so we assume that you have:
 
-- a five nodes Swarm cluster,
+- a Swarm cluster with at least 3 nodes,
 
 - a self-hosted registry,