diff --git a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
index 8f8507046e..5404531c8f 100644
--- a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
@@ -111,7 +111,7 @@ chip soc/intel/apollolake
 		device pci 00.1 on  end	# - DPTF
 		device pci 00.2 off end	# - NPK
 		device pci 02.0 on  end	# - Gen
-		device pci 03.0 on  end	# - Iunit
+		device pci 03.0 on  end # - Gaussian Mixture Model (GMM)
 		chip drivers/intel/wifi
 			register "wake" = "GPE0A_CNVI_PME_STS"
 			device pci 0c.0 on  end	# - CNVi