diff --git a/TODO b/TODO
index 867c11d..ef3a701 100644
--- a/TODO
+++ b/TODO
@@ -174,6 +174,8 @@ Comments appear in the code prefixed by "ABI"
 * Consider having addArrayItem, replaceKey, etc. return the new value
   so you can say
   auto oh = dict.replaceKey("/Key", QPDFObjectHandle::newSomething());
+  But this has to be clean with respect to fluent interfaces, so we
+  might need something slightly different.
 * Added QPDFObjectHandle::ParserCallbacks::handleWarning but had to
   revert because it was not binary compatible. Consider re-adding. The
   commit that added this comment includes the reverting of the change.