From 9c7dc5865c8b5a568c5f5e8bb675c25000a748cc Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Thu, 14 Oct 2021 14:11:57 -0700
Subject: [PATCH] Add url to CO2signal (#57703)

---
 homeassistant/components/co2signal/sensor.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/homeassistant/components/co2signal/sensor.py b/homeassistant/components/co2signal/sensor.py
index a4c1062e2c6..6e35a6d751b 100644
--- a/homeassistant/components/co2signal/sensor.py
+++ b/homeassistant/components/co2signal/sensor.py
@@ -109,6 +109,7 @@ class CO2Sensor(update_coordinator.CoordinatorEntity[CO2SignalResponse], SensorE
             ATTR_NAME: "CO2 signal",
             ATTR_MANUFACTURER: "Tmrow.com",
             "entry_type": "service",
+            "configuration_url": "https://www.electricitymap.org/",
         }
         self._attr_unique_id = (
             f"{coordinator.entry_id}_{description.unique_id or description.key}"