diff --git a/util/superiotool/Makefile b/util/superiotool/Makefile
index f05e1f9..cedd631 100644
--- a/util/superiotool/Makefile
+++ b/util/superiotool/Makefile
@@ -104,7 +104,7 @@
 	@printf "\nChecking for pciutils and zlib... "
 	@echo "$$LIBPCI_TEST" > .test.c
 	@$(CC) $(CFLAGS) .test.c -o .test $(LIBS) >/dev/null 2>&1 &&	  \
-		printf "found.\n" || ( printf "not found.\n\n"; 	  \
+		printf "found.\n" || ( printf "not found.\n\n";		  \
 		printf "Please install pciutils-devel and zlib-devel.\n"; \
 		printf "See README for more information.\n\n";		  \
 		rm -f .test.c .test; exit 1)
diff --git a/util/superiotool/smsc.c b/util/superiotool/smsc.c
index 640f438..21763ec 100644
--- a/util/superiotool/smsc.c
+++ b/util/superiotool/smsc.c
@@ -20,8 +20,8 @@
 #define DEVICE_ID_REG_OLD	0x0d
 #define DEVICE_REV_REG_OLD	0x0e
 
-#define DEVICE_ID_REG   	0x20
-#define DEVICE_REV_REG  	0x21
+#define DEVICE_ID_REG		0x20
+#define DEVICE_REV_REG		0x21
 
 static const struct superio_registers reg_table[] = {
 	/* The following Super I/Os use the 0x20/0x21 ID registers. */
diff --git a/util/superiotool/superiotool.h b/util/superiotool/superiotool.h
index 01237a5..ed7beae 100644
--- a/util/superiotool/superiotool.h
+++ b/util/superiotool/superiotool.h
@@ -133,7 +133,7 @@
 #define MAXLDN		0x14		/* Biggest LDN */
 #define LDNSIZE		(MAXLDN + 3)	/* Biggest LDN + 0 + NOLDN + EOT */
 #define MAXNUMIDX	170		/* Maximum number of indices */
-#define IDXSIZE 	(MAXNUMIDX + 1)
+#define IDXSIZE		(MAXNUMIDX + 1)
 #define MAXNUMPORTS	(6 + 1)		/* Maximum number of Super I/O ports */
 
 /* Select registers for various components. */
diff --git a/util/superiotool/winbond.c b/util/superiotool/winbond.c
index 281c179..fce860d 100644
--- a/util/superiotool/winbond.c
+++ b/util/superiotool/winbond.c
@@ -229,8 +229,8 @@
 			{0x00,0x48,0x48,0x48,0x48,0x00,0x00,0x48,0x00,0x00,
 			 EOT}},
 		{EOT}}},
-	{0xa23, "W83627UHG = NCT6627UD", {	/* TODO: Not yet in sensors-detect 	   */
-		{NOLDN, NULL,	  		/* CR2B (485) is only valid for chip rev.E */
+	{0xa23, "W83627UHG = NCT6627UD", {	/* TODO: Not yet in sensors-detect	   */
+		{NOLDN, NULL,			/* CR2B (485) is only valid for chip rev.E */
 			{0x02,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
 			 0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 			{0x00,0xa2,NANA,0xff,0xF0,MISC,0x00,MISC,RSVD,0x00,