diff --git a/drivers/ethernet/RTL8029.asm b/drivers/ethernet/RTL8029.asm
index 7a4f4b34cf..56dca42e2c 100644
--- a/drivers/ethernet/RTL8029.asm
+++ b/drivers/ethernet/RTL8029.asm
@@ -1183,12 +1183,12 @@ PIO_write:
 
 
 
-;all initialized data place here
+; place all initialized data here
 align 4
 
 devices         dd 0
 version         dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF)
-my_service      db 'RTL8029',0  ;max 16 chars include zero
+my_service      db 'RTL8029',0          ; max 16 chars include zero
 
 ;device_1        db 'Realtek 8029',0
 ;device_2        db 'Realtek 8019',0
@@ -1198,7 +1198,8 @@ my_service      db 'RTL8029',0  ;max 16 chars include zero
 
 include_debug_strings
 
-section '.data' data readable writable align 16  ;place all uninitialized data place here
+section '.data' data readable writable align 16
+; place all uninitialized data here
 
 device_list     rd MAX_DEVICES
 
diff --git a/drivers/ethernet/i8255x.asm b/drivers/ethernet/i8255x.asm
index 7f7315a57d..20ff966529 100644
--- a/drivers/ethernet/i8255x.asm
+++ b/drivers/ethernet/i8255x.asm
@@ -1181,7 +1181,7 @@ end data
 
 include '../peimport.inc'
 
-my_service      db 'i8255x', 0                    ; max 16 chars include zero
+my_service      db 'I8255X', 0                    ; max 16 chars include zero
 devicename      db 'Intel Etherexpress pro/100', 0
 
 confcmd_data    db 22, 0x08, 0, 0, 0, 0x80, 0x32, 0x03, 1
diff --git a/drivers/ethernet/mtd80x.asm b/drivers/ethernet/mtd80x.asm
index 95b09f0df9..478bfc54c5 100644
--- a/drivers/ethernet/mtd80x.asm
+++ b/drivers/ethernet/mtd80x.asm
@@ -494,7 +494,7 @@ probe:
         invoke  PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
 
 ; Check vendor/device id's
-        invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], 0
+        invoke  PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], 0
         cmp     ax, 0x1516
         jne     .notfound
         shr     eax, 16
diff --git a/drivers/ethernet/pcnet32.asm b/drivers/ethernet/pcnet32.asm
index e3a1767cba..d64457f1b0 100644
--- a/drivers/ethernet/pcnet32.asm
+++ b/drivers/ethernet/pcnet32.asm
@@ -1527,7 +1527,7 @@ end data
 
 include '../peimport.inc'
 
-my_service    db 'PCnet',0              ; max 16 chars include zero
+my_service    db 'PCNET32',0            ; max 16 chars include zero
 
 device_l2     db "PCnet/PCI 79C970",0
 device_l4     db "PCnet/PCI II 79C970A",0