diff --git a/sys/dev/isp/isp_pci.c b/sys/dev/isp/isp_pci.c
index 994814ff4fdf..01028ae140be 100644
--- a/sys/dev/isp/isp_pci.c
+++ b/sys/dev/isp/isp_pci.c
@@ -627,7 +627,7 @@ isp_pci_attach(device_t dev)
 	if (isp->isp_osinfo.fw == NULL && !IS_26XX(isp)) {
 		/*
 		 * Failure to attach at boot time might have been caused
-		 * by a missing ispfw(4).  Except for for 16Gb adapters,
+		 * by a missing ispfw(4).  Except for 16Gb adapters,
 		 * there's no loadable firmware for them.
 		 */
 		isp_prt(isp, ISP_LOGWARN, "See the ispfw(4) man page on "
diff --git a/sys/dev/isp/ispmbox.h b/sys/dev/isp/ispmbox.h
index 6f619536f13a..88bfa8f68a84 100644
--- a/sys/dev/isp/ispmbox.h
+++ b/sys/dev/isp/ispmbox.h
@@ -31,7 +31,7 @@
  */
 
 /*
- * Mailbox and Queue Entry Definitions for for Qlogic ISP SCSI adapters.
+ * Mailbox and Queue Entry Definitions for Qlogic ISP SCSI adapters.
  */
 #ifndef	_ISPMBOX_H
 #define	_ISPMBOX_H
diff --git a/sys/dev/isp/ispvar.h b/sys/dev/isp/ispvar.h
index 4ce2c717b9a9..deb014bb4a63 100644
--- a/sys/dev/isp/ispvar.h
+++ b/sys/dev/isp/ispvar.h
@@ -30,7 +30,7 @@
  *
  */
 /*
- * Soft Definitions for for Qlogic ISP SCSI adapters.
+ * Soft Definitions for Qlogic ISP SCSI adapters.
  */
 
 #ifndef	_ISPVAR_H