diff --git a/components/sensor/mhz19.rst b/components/sensor/mhz19.rst
index 5245f151d..2d4a3e7e8 100644
--- a/components/sensor/mhz19.rst
+++ b/components/sensor/mhz19.rst
@@ -27,8 +27,8 @@ TX/RX labels are from the perspective of the MH-Z19). Additionally, you need to
 
     # Example configuration entry
     uart:
-      rx_pin: D0
-      tx_pin: D1
+      rx_pin: GPIO3
+      tx_pin: GPIO1
       baud_rate: 9600
 
     sensor: