diff --git a/README.org b/README.org
index 87a0f1d..482b7bf 100644
--- a/README.org
+++ b/README.org
@@ -101,6 +101,7 @@ interaction with Org-mode.
     4. =networks=
     5. =rs=
 
+*** TODO Split =networks= into general networks and threshold Boolean networks
 *** TODO Submit =update-graph= to =stchang=
 *** TODO Implement the BN \to RS conversion
 *** TODO Implement the minimisation of TBF/SBF