diff --git a/ToDo b/ToDo
index e83c9d1..0a2dfb8 100644
--- a/ToDo
+++ b/ToDo
@@ -1,3 +1,3 @@
 - move particle to proc to which enclQuad belongs
 - handle particle ID in parallel - until now every proc is asigning his own bunch of IDs -> this could result in confusion when sending particle to other procs
-- to generate some nice simulations, consider inserting as many particles randomized each timestep as there are particles deleted due to crossing the worlds border
+- try other flow fields (e.g. sinus curve)