review updates

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

api/types/container/secret.go

@@ -2,6 +2,8 @@ package container
 
 import "os"
 
+// ContainerSecret represents a secret in a container.  This gets realized
+// in the container tmpfs
 type ContainerSecret struct {
 	Name   string
 	Target string