diff --git a/components/panasonic_heatpump/README.md b/components/panasonic_heatpump/README.md
index b9dbf22..8056e0b 100644
--- a/components/panasonic_heatpump/README.md
+++ b/components/panasonic_heatpump/README.md
@@ -15,14 +15,14 @@
 > The support for ESP8266 and the arduino framework is deprecated for this component.  
 > Since v0.0.8 this component uses threads to process the UART communication.  
 > But if you still want to use an ESP8266 controller or the arduino framework,  
-> please use the branch "heatpump/esp8266".  
+> please use the branch "heatpump/arduino".  
 >
 > ```yaml
 > external_components:
 >  - source:
 >      type: git
 >      url: https://github.com/ElVit/esphome_components
->      ref: 'heatpump/esp8266'
+>      ref: 'heatpump/arduino'
 >    components: [ panasonic_heatpump ]
 > ```