diff --git a/src/mainboard/lenovo/t440p/devicetree.cb b/src/mainboard/lenovo/t440p/devicetree.cb
index a1f1ac778a..1713387295 100644
--- a/src/mainboard/lenovo/t440p/devicetree.cb
+++ b/src/mainboard/lenovo/t440p/devicetree.cb
@@ -22,10 +22,10 @@ chip northbridge/intel/haswell
 	device domain 0 on
 		subsystemid 0x17aa 0x220e inherit
 
-		device pci 00.0 on end # Host bridge
-		device pci 01.0 on end # PCIe Bridge for discrete graphics
-		device pci 02.0 on end # Internal graphics VGA controller
-		device pci 03.0 on end # Mini-HD audio
+		device pci 00.0 on  end	# Host bridge
+		device pci 01.0 on  end	# PCIe Bridge for discrete graphics
+		device pci 02.0 on  end	# Internal graphics VGA controller
+		device pci 03.0 on  end	# Mini-HD audio
 
 		chip southbridge/intel/lynxpoint # Intel Series 8 Lynx Point PCH
 			register "gen1_dec" = "0x007c1601"
@@ -35,26 +35,26 @@ chip northbridge/intel/haswell
 			register "gpi1_routing" = "2"
 			# 0(HDD), 1(M.2), 5(ODD)
 			register "sata_port_map" = "0x23"
-			device pci 14.0 on end # xHCI Controller
-			device pci 16.0 on end # Management Engine Interface 1
-			device pci 16.1 off end # Management Engine Interface 2
-			device pci 16.2 off end # Management Engine IDE-R
-			device pci 16.3 off end # Management Engine KT
-			device pci 19.0 on end # Intel Gigabit Ethernet
-			device pci 1a.0 on end # USB2 EHCI #2
-			device pci 1b.0 on end # High Definition Audio Audio controller
-			device pci 1c.0 on end # PCIe Port #1, Realtek Card Reader
-			device pci 1c.1 on # PCIe Port #2, WLAN
+			device pci 14.0 on  end	# xHCI Controller
+			device pci 16.0 on  end	# Management Engine Interface 1
+			device pci 16.1 off end	# Management Engine Interface 2
+			device pci 16.2 off end	# Management Engine IDE-R
+			device pci 16.3 off end	# Management Engine KT
+			device pci 19.0 on  end	# Intel Gigabit Ethernet
+			device pci 1a.0 on  end	# USB2 EHCI #2
+			device pci 1b.0 on  end	# High Definition Audio Audio controller
+			device pci 1c.0 on  end	# PCIe Port #1, Realtek Card Reader
+			device pci 1c.1 on	# PCIe Port #2, WLAN
 				smbios_slot_desc "0x14" "1" "M.2 2230" "8"
 			end
-			device pci 1c.2 off end # PCIe Port #3
-			device pci 1c.3 off end # PCIe Port #4
-			device pci 1c.4 off end # PCIe Port #5
-			device pci 1c.5 off end # PCIe Port #6
-			device pci 1c.6 off end # PCIe Port #7
-			device pci 1c.7 off end # PCIe Port #8
-			device pci 1d.0 on end # USB2 EHCI #1
-			device pci 1f.0 on # LPC bridge
+			device pci 1c.2 off end	# PCIe Port #3
+			device pci 1c.3 off end	# PCIe Port #4
+			device pci 1c.4 off end	# PCIe Port #5
+			device pci 1c.5 off end	# PCIe Port #6
+			device pci 1c.6 off end	# PCIe Port #7
+			device pci 1c.7 off end	# PCIe Port #8
+			device pci 1d.0 on  end	# USB2 EHCI #1
+			device pci 1f.0 on	# LPC bridge
 				chip ec/lenovo/pmh7
 					register "backlight_enable" = "0x01"
 					register "dock_event_enable" = "0x01"
@@ -89,10 +89,10 @@ chip northbridge/intel/haswell
 					device pnp 0c31.0 on end
 				end
 			end
-			device pci 1f.2 on end # SATA Controller 1
-			device pci 1f.3 on end # SMBus
-			device pci 1f.5 off end # SATA Controller 2
-			device pci 1f.6 off end # Thermal
+			device pci 1f.2 on  end	# SATA Controller 1
+			device pci 1f.3 on  end	# SMBus
+			device pci 1f.5 off end	# SATA Controller 2
+			device pci 1f.6 off end	# Thermal
 		end
 	end
 end