diff --git a/devices_v0_4/pcf.yaml b/devices_v0_4/pcf.yaml
index f2b0f38..54c6743 100644
--- a/devices_v0_4/pcf.yaml
+++ b/devices_v0_4/pcf.yaml
@@ -1,8 +1,8 @@
 pcf8574:
-  - id: 'pcf_inputs_1to14'
+  - id: 'pcf_left'
     address: 0x20
     pcf8575: true 
-  - id: 'pcf_inputs_15to28'
+  - id: 'pcf_right'
     address: 0x21
     pcf8575: true
   - id: 'mcp_inputs_1to16'