diff --git a/man/vgcreate.8.in b/man/vgcreate.8.in
index 1a4e7721f..24d164254 100644
--- a/man/vgcreate.8.in
+++ b/man/vgcreate.8.in
@@ -21,7 +21,7 @@ vgcreate \- create a volume group
 .RB [ \-t | \-\-test ]
 .RB [ \-v | \-\-verbose ]
 .RB [ \-\-version ]
-.RB [ PHYSICAL DEVICE OPTIONS ]
+[ \fIPHYSICAL DEVICE OPTIONS\fP ]
 .I VolumeGroupName PhysicalDevicePath
 .RI [ PhysicalDevicePath ...]
 .SH DESCRIPTION
diff --git a/man/vgextend.8.in b/man/vgextend.8.in
index 7f34b96c2..f24f99f44 100644
--- a/man/vgextend.8.in
+++ b/man/vgextend.8.in
@@ -6,7 +6,7 @@ vgextend \- add physical volumes to a volume group
 [\-A|\-\-autobackup y|n] [\-d|\-\-debug] [\-h|\-?|\-\-help] 
 [\-t|\-\-test]
 [\-v|\-\-verbose]
-.RB [ PHYSICAL DEVICE OPTIONS ]
+[ \fIPHYSICAL DEVICE OPTIONS\fP ]
 VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]
 .SH DESCRIPTION
 vgextend allows you to add one or more initialized physical volumes ( see