diff --git a/pkg/model/components/docker.go b/pkg/model/components/docker.go
index 18703fe5c4..eafe366465 100644
--- a/pkg/model/components/docker.go
+++ b/pkg/model/components/docker.go
@@ -86,7 +86,13 @@ func (b *DockerOptionsBuilder) BuildOptions(o interface{}) error {
 	docker.IPMasq = fi.Bool(false)
 
 	// Note the alternative syntax... with a comma nodeup will try each of the filesystems in turn
-	if b.IsKubernetesGTE("1.10") {
+	if b.IsKubernetesGTE("1.11") {
+		// TODO(justinsb): figure out whether to use overlay2 on AWS jessie:
+		// The ContainerOS image now has docker configured to use overlay2 out-of-the-box
+		// and it is an error to specify the flag twice.
+		// But Jessie (still our default AWS image) isn't recommended by docker with overlay2
+		// (though that may be a kernel issue, and we run a custom kernel on our default image)
+		// But we still need to worry about users running generic AMIs (e.g. stock jessie)
 		docker.Storage = fi.String("overlay2,overlay,aufs")
 	} else {
 		docker.Storage = fi.String("overlay,aufs")