diff --git a/csv_writer.cpp b/csv_writer.cpp
index e1b654ae97e4372e9576d9e7e4aa4e6aa5f7fab4..b900fc5a2c41b630018ea9a129cbd7a81d3a2a3c 100644
--- a/csv_writer.cpp
+++ b/csv_writer.cpp
@@ -1,5 +1,7 @@
 #include "csv_writer.h"
 
+//TODO: Allow CSV download via USB Serial, when requested (e.g. via a Python script)
+
 namespace config {
   // Values should be defined in config.h
   uint16_t csv_interval = CSV_INTERVAL; // [s]