diff --git a/src/mainboard/gigabyte/ga-b75m-d3h/devicetree.cb b/src/mainboard/gigabyte/ga-b75m-d3h/devicetree.cb
index 7a3568a..ceb9279 100644
--- a/src/mainboard/gigabyte/ga-b75m-d3h/devicetree.cb
+++ b/src/mainboard/gigabyte/ga-b75m-d3h/devicetree.cb
@@ -21,16 +21,15 @@
 
 	device domain 0 on
 		subsystemid 0x1458 0x5000 inherit
-		device pci 00.0 on # host bridge
+		device pci 00.0 on # Host bridge
 			subsystemid 0x1458 0x5000
 		end
 		device pci 01.0 on end # PCIe Bridge for discrete graphics
-		device pci 02.0 on # vga controller
+		device pci 02.0 on # Integrated VGA controller
 			subsystemid 0x1458 0xd000
 		end
 
 		chip southbridge/intel/bd82x6x # Intel Series 7 Panther Point PCH
-
 			# GPI routing
 			register "alt_gp_smi_en" = "0x0000"
 			register "gen1_dec" = "0x003c0a01"
@@ -109,7 +108,7 @@
 				end
 
 				chip drivers/pc80/tpm
-				     device pnp 0c31.0 on end
+					device pnp 0c31.0 on end
 				end
 			end
 			device pci 1f.2 on # SATA Controller 1