diff --git a/src/Push.hs b/src/Push.hs
index 0367d59..035453f 100644
--- a/src/Push.hs
+++ b/src/Push.hs
@@ -64,7 +64,7 @@ interpretExec state@(State {_exec = e : es}) =
     (StateFunc func) -> interpretExec $ func state {_exec = es}
     (Block block) -> interpretExec (state {_exec = block ++ es})
     (PlaceInput val) -> interpretExec (state {_exec = (view input state Map.! val) : es})
-    Close -> undefined
+    Close -> undefined  -- This should be removed later. Will be converted to Blocks in the Plushy -> Exec stack process
 interpretExec state = state
 
 -- Need to make interpretExec strict, right?