diff --git a/README.md b/README.md
index 0736a5865..666fac523 100644
--- a/README.md
+++ b/README.md
@@ -270,7 +270,8 @@ and the alerts on an iPhone/Android using PushBullet, PushOver or any notificati
 
 ![Home Assistant iPhone notify)](doc/ha/ha_notify.jpg)
 
-You can find the .yaml configuration files under `doc/ha`
+You can find the .yaml configuration files under `doc/ha`. See also https://community.home-assistant.io/t/thermostat-and-boiler-controller-for-ems-based-boilers-nefit-buderus-bosch-using-esp/53382
+
 
 ## Building the firmware
 
diff --git a/src/boiler.ino b/src/boiler.ino
index 98dc9c034..c552777da 100644
--- a/src/boiler.ino
+++ b/src/boiler.ino
@@ -1,8 +1,9 @@
 /*
  * EMS-ESP-Boiler
  * Paul Derbyshire - May 2018 - https://github.com/proddy/EMS-ESP-Boiler
+ * https://community.home-assistant.io/t/thermostat-and-boiler-controller-for-ems-based-boilers-nefit-buderus-bosch-using-esp/53382
  *
- * See ReadMe for Acknowledgments
+ * See ReadMe.md for Acknowledgments
  */
 
 // local libraries