diff --git a/Promise.js b/Promise.js
index 86726bd..a273c24 100644
--- a/Promise.js
+++ b/Promise.js
@@ -94,8 +94,8 @@ function(list, handler, onerror){
 										: handler(elem) })
 								: handler(elem))
 							// compensate for the outer .flat()...
-							// XXX this might expand things on the wrong level -- test...
-							// XXX BUG: this breaks for promises returned by handler(..)...
+							// XXX this will mess up the return of handler(..)
+							// XXX this braks on non-array returns...
 							.flat() })
 					: handler(elem) },
 			// onerror...