diff --git a/src/recur2.cpp b/src/recur2.cpp
index 86287caaa..d97fff5e9 100644
--- a/src/recur2.cpp
+++ b/src/recur2.cpp
@@ -327,6 +327,9 @@ static void synthesizeTasks (const Task& templateTask)
   // TODO 'recur' = frequency
   // TODO 'last' = index of most recently synthesized instance
 
+  // TODO Create task instances for each period between N and now.
+
+
   context.debug ("synthesizeTasks end");
 }