diff --git a/README.md b/README.md
index 3a75cc1..243e197 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ A map of all Meshtastic nodes heard via MQTT.
 
 ## TODO
 
+- show frequency
+
 - show connection lines between nodes and the neighbours they have heard directly
 - ui to view realtime events from specific nodes
 - ui to view text messages log