diff --git a/main.py b/main.py
index 4632ad6..588a97d 100644
--- a/main.py
+++ b/main.py
@@ -72,6 +72,9 @@ def _create_node(
     )
 
 
+# TODO this should take a graph / adjacency list as argument and set peers based on that.
+# currently all nodes are connected to all other nodes, which scales with O(n!) and
+# takes significant amounts of time and compute for even small n < 10.
 def _connect_nodes(nodes: Dict[str, MeshNodeConfig]) -> None:
     for src, dst in itertools.permutations(nodes.keys(), 2):
         nodes[dst].peers.append(nodes[src])