5 files changed, 16 insertions, 7 deletions

diff --git a/usr.bin/ar/ar.5 b/usr.bin/ar/ar.5
index 37220a81f62dd..b5d3258fde689 100644
--- a/usr.bin/ar/ar.5
+++ b/usr.bin/ar/ar.5
@@ -137,7 +137,8 @@ names longer than 16 characters were truncated, and names with embedded
 spaces (and often trailing spaces) were not supported.
 It has been extended for these reasons,
 as described above.
-This format first appeared in 4.4BSD.
+This format first appeared in
+.Bx 4.4 .
 .Sh COMPATIBILITY
 No archive format is currently specified by any standard.
 .At V
diff --git a/usr.bin/compress/zopen.3 b/usr.bin/compress/zopen.3
index 3d7666ecf459d..3d70f25791579 100644
--- a/usr.bin/compress/zopen.3
+++ b/usr.bin/compress/zopen.3
@@ -130,7 +130,8 @@ or
 The
 .Nm zopen
 function
-first appeared in 4.4BSD.
+first appeared in
+.Bx 4.4 .
 .Sh BUGS
 The
 .Fn zopen
diff --git a/usr.bin/gcore/gcore.1 b/usr.bin/gcore/gcore.1
index 42fddbc502ce6..ebc147ef66e3d 100644
--- a/usr.bin/gcore/gcore.1
+++ b/usr.bin/gcore/gcore.1
@@ -76,7 +76,8 @@ The core image.
 .Dp
 .Sh HISTORY
 .Nm Gcore
-appeared in 4.2BSD.
+appeared in
+.Bx 4.2 .
 .Sh BUGS
 Context switches or paging activity that occur while
 .Nm gcore
@@ -84,7 +85,11 @@ is running may cause the program to become confused.
 For best results, use -s to temporarily stop the target process.
 .Pp
 .Nm Gcore
-is not compatible with the original 4.2BSD version.
-In particular, 4.4BSD requires the 
+is not compatible with the original
+.Bx 4.2 
+version.
+In particular,
+.Bx 4.4
+requires the 
 .Ar exec
 argument.
diff --git a/usr.bin/showmount/showmount.8 b/usr.bin/showmount/showmount.8
index a3ba0c1b61a7e..6c466da29e2fe 100644
--- a/usr.bin/showmount/showmount.8
+++ b/usr.bin/showmount/showmount.8
@@ -90,4 +90,5 @@ as accurately as the mount daemon reports it.
 .Sh HISTORY
 The
 .Nm showmount
-utility first appeared in 4.4BSD.
+utility first appeared in
+.Bx 4.4 .
diff --git a/usr.bin/uname/uname.1 b/usr.bin/uname/uname.1
index 50e0c523e6c93..fa54bfc4f8209 100644
--- a/usr.bin/uname/uname.1
+++ b/usr.bin/uname/uname.1
@@ -88,7 +88,8 @@ utility exits 0 on success, and >0 if an error occurs.
 .Sh HISTORY
 The
 .Nm uname
-command appeared in 4.4BSD.
+command appeared in
+.Bx 4.4 .
 .Sh STANDARDS
 The
 .Nm uname