diff --git a/components/sensor/wifi_signal.rst b/components/sensor/wifi_signal.rst
index 1458b0cbc..79b9e9412 100644
--- a/components/sensor/wifi_signal.rst
+++ b/components/sensor/wifi_signal.rst
@@ -23,7 +23,7 @@ measured in decibel-milliwatts (dBm). These values are always negative and the c
         name: "WiFi Signal Sensor"
         update_interval: 60s
 
-Note: since this sensor has a static uniqueid reported to Home Assistant, you can only have one sensor of this type in a device. If you want to have another, use the :ref:`copy-sensor`:
+Note: since this sensor has a static uniqueid reported to Home Assistant, you can only have one sensor of this type in a device. If you want to have another, use the :ref:`_copy_sensor`:
 
 .. code-block:: yaml