diff --git a/src/sysvars.hpp b/src/sysvars.hpp
index 79d3f61..6fd48c3 100644
--- a/src/sysvars.hpp
+++ b/src/sysvars.hpp
@@ -8,6 +8,7 @@
 #include <Arduino.h>
 #include <ArduinoJson.h>
 #include <FS.h>
+// TODO: predelat na definefs.hpp, ale to pak vytvori zavislost na ESPFoundation :-(
 #ifndef USEDFS
 # if defined(ESP32)
 #  ifdef USE_LITTLEFS