diff --git a/esphome/owon-b35t-m5stack-core2.yaml b/esphome/owon-b35t-m5stack-core2.yaml
index 32ead6b..39803b4 100644
--- a/esphome/owon-b35t-m5stack-core2.yaml
+++ b/esphome/owon-b35t-m5stack-core2.yaml
@@ -1,3 +1,7 @@
+# Derived work based on https://github.com/reaper7/M5Stack_BLE_client_Owon_B35T by reaper7.
+# AI (ChatGPT) has been used to adopt the Arduino sketch to ESPHome.
+# Ported to M5Stack Core2 due to memory constraints.
+
 substitutions:
   name: "owon-b35t-m5stack-core2"
   friendly_name: "OWON B35T Multimeter Core2"