diff --git a/esphome/example.yml b/esphome/example.yml
index e92700c..effd459 100644
--- a/esphome/example.yml
+++ b/esphome/example.yml
@@ -83,6 +83,7 @@ globals:
     type: char[32]
     restore_value: yes
 
+# https://esphome.io/components/sensor/dsmr.html
 dsmr:
   uart_id: uart_dsmr
   id: dsmr_instance