diff --git a/share/man/man4/mpt.4 b/share/man/man4/mpt.4
index 4983759fb50..9d62d17c63d 100644
--- a/share/man/man4/mpt.4
+++ b/share/man/man4/mpt.4
@@ -124,15 +124,15 @@ Dell PowerEdge 1750 thru 2850
 IBM eServer xSeries 335
 .El
 .Pp
-These systems also contain Integrated Raid Mirroring and Integrated
-Raid Mirroring Enhanced which this driver also supports.
+These systems also contain Integrated RAID Mirroring and Integrated
+RAID Mirroring Enhanced which this driver also supports.
 .Pp
 The
 .Tn SAS
 controller chips are also present on many new AMD/Opteron based systems,
 like the Sun 4100.
 Note that this controller can drive both SAS and SATA
-drives or a mix of them at the same time. The Integrated Raid Mirroring
+drives or a mix of them at the same time. The Integrated RAID Mirroring
 available for these controllers is poorly supported at best.
 .Pp
 The