diff --git a/docs/widgets/services/opendtu.md b/docs/widgets/services/opendtu.md
index 6a6111cc..89c4efa0 100644
--- a/docs/widgets/services/opendtu.md
+++ b/docs/widgets/services/opendtu.md
@@ -3,6 +3,8 @@ title: OpenDTU
 description: OpenDTU Widget
 ---
 
+[OpenDTU](https://github.com/tbnobody/OpenDTU) - Software for ESP32 to talk to Hoymiles Inverters.
+
 Allowed fields: `["yieldDay", "relativePower", "absolutePower", "limit"]`.
 
 ```yaml