diff --git a/dataflow_neuro/treegates.act b/dataflow_neuro/treegates.act
index 11af1c9..88c3a08 100644
--- a/dataflow_neuro/treegates.act
+++ b/dataflow_neuro/treegates.act
@@ -450,6 +450,7 @@ defproc sigbuf (bool? in; bool! out[N]; power supply)
 }
 
 //Sigbuf in which there is only 1 output. Made for outputs that cannot have multiple wires.
+// never used, prolly get rid @TODO
 export template<pint N>
 defproc sigbuf_1output (bool? in; bool! out; power supply)
 {