diff --git a/ethertypes b/ethertypes
index 5a2b4c8..7411bbb 100644
--- a/ethertypes
+++ b/ethertypes
@@ -5,28 +5,28 @@
 # always put tabs or spaces between the name and the protocol number
 # anything on a line after the protocol number is ignored
 # programs using this file should not be case sensitive
-IPv4 	0800
-X25	0805
-ARP	0806
-802_1Q	8100	802.1Q Virtual LAN tagged frame
-IPX	8137
-IPv6	86DD
-NetBEUI	8191
-BPQ	08FF	G8BPQ AX.25 Ethernet Packet
-DEC	6000	DEC Assigned proto
-DNA_DL	6001	DEC DNA Dump/Load
-DNA_RC	6002	DEC DNA Remote Console
-DNA_RT	6003	DEC DNA Routing
-LAT	6004	DEC LAT
-DIAG	6005	DEC Diagnostics
-CUST	6006	DEC Customer use
-SCA	6007	DEC Systems Comms Arch
-RARP	8035	Reverse Addr Res packet
-ATALK	809B	Appletalk DDP
-AARP	80F3	Appletalk AARP
-IPX	8137	IPX over DIX
+IPv4	 	0800
+X25		0805
+ARP		0806
+802_1Q		8100	802.1Q Virtual LAN tagged frame
+IPX		8137
+IPv6		86DD
+NetBEUI		8191
+BPQ		08FF	G8BPQ AX.25 Ethernet Packet
+DEC		6000	DEC Assigned proto
+DNA_DL		6001	DEC DNA Dump/Load
+DNA_RC		6002	DEC DNA Remote Console
+DNA_RT		6003	DEC DNA Routing
+LAT		6004	DEC LAT
+DIAG		6005	DEC Diagnostics
+CUST		6006	DEC Customer use
+SCA		6007	DEC Systems Comms Arch
+RARP		8035	Reverse Addr Res packet
+ATALK		809B	Appletalk DDP
+AARP		80F3	Appletalk AARP
+IPX		8137	IPX over DIX
 PPP_DISC	8863	PPPoE discovery messages
-PPP_SES	8864	PPPoE session messages
-ATMMPOA	884C	MultiProtocol over ATM
-ATMFATE	8884	Frame-based ATM Transport over Ethernet
-LOOP	9000
+PPP_SES		8864	PPPoE session messages
+ATMMPOA		884C	MultiProtocol over ATM
+ATMFATE		8884	Frame-based ATM Transport over Ethernet
+LOOP		9000