diff --git a/src/faaso.cr b/src/faaso.cr
index 82811a6..2dd1577 100644
--- a/src/faaso.cr
+++ b/src/faaso.cr
@@ -70,6 +70,15 @@ module Faaso
       end
     end
 
+    # Bring up one or more funkos.
+    # 
+    # This doesn't guarantee that they will be running the latest
+    # version, and it will try to recicle paused and exited containers.
+    # 
+    # If there is no other way, it will create a brand new container with
+    # the latest known image and start it.
+    # 
+    # If there are no images for the funko, it will fail to bring it up.
     class Up
       @arguments : Array(String) = [] of String
       @options : Commander::Options