diff --git a/lib/libc/string/memchr.3 b/lib/libc/string/memchr.3
index ae2a22cbaeb..ae883bf0a26 100644
--- a/lib/libc/string/memchr.3
+++ b/lib/libc/string/memchr.3
@@ -100,6 +100,6 @@ The
 .Fn memrchr
 function first appeared in GNU libc 2.1.91, this implementation
 first appeared in
-.Fx 8.0 ,
+.Fx 6.4 ,
 coming from
 .Ox 4.3 .
diff --git a/lib/libc/sys/setfib.2 b/lib/libc/sys/setfib.2
index a9e23fda9a9..ca082024d24 100644
--- a/lib/libc/sys/setfib.2
+++ b/lib/libc/sys/setfib.2
@@ -81,4 +81,4 @@ have been added to many other
 The
 .Fn setfib
 function appeared in
-.Fx 8.0 .
+.Fx 7.1 .
diff --git a/sbin/savecore/savecore.8 b/sbin/savecore/savecore.8
index 1095d5a8875..25b9aa6dc45 100644
--- a/sbin/savecore/savecore.8
+++ b/sbin/savecore/savecore.8
@@ -154,6 +154,6 @@ utility appeared in
 .Bx 4.1 .
 .Pp
 Support for kernel textdumps appeared in
-.Fx 8.0 .
+.Fx 7.1 .
 .Sh BUGS
 The minfree code does not consider the effect of compression or sparse files.
diff --git a/share/man/man4/cpuctl.4 b/share/man/man4/cpuctl.4
index ee86dc0cd17..9dd149a9814 100644
--- a/share/man/man4/cpuctl.4
+++ b/share/man/man4/cpuctl.4
@@ -142,7 +142,7 @@ The firmware image address points outside the process address space.
 The
 .Nm
 driver first appeared in
-.Fx 8.0 .
+.Fx 7.2 .
 .Sh BUGS
 Yes, probably, report if any.
 .Sh AUTHORS
diff --git a/share/man/man4/man4.i386/glxsb.4 b/share/man/man4/man4.i386/glxsb.4
index 042eb5e1f0b..051956992ac 100644
--- a/share/man/man4/man4.i386/glxsb.4
+++ b/share/man/man4/man4.i386/glxsb.4
@@ -82,7 +82,7 @@ device driver first appeared in
 The
 .Nm
 device driver was imported into
-.Fx 8.0 .
+.Fx 7.1 .
 .Sh AUTHORS
 .An -nosplit
 The
diff --git a/share/man/man4/man4.powerpc/bm.4 b/share/man/man4/man4.powerpc/bm.4
index 4ad8202f01d..3e120841776 100644
--- a/share/man/man4/man4.powerpc/bm.4
+++ b/share/man/man4/man4.powerpc/bm.4
@@ -76,7 +76,7 @@ Apple BMAC+ Onboard Ethernet
 The
 .Nm
 device driver appeared in
-.Fx 8.0 .
+.Fx 7.1 .
 .Sh AUTHORS
 .An -nosplit
 The
diff --git a/share/man/man4/u3g.4 b/share/man/man4/u3g.4
index cc35c360071..b5f1cf73ad1 100644
--- a/share/man/man4/u3g.4
+++ b/share/man/man4/u3g.4
@@ -109,7 +109,7 @@ and replug the device.
 The
 .Nm
 driver appeared in
-.Fx 8.0 ,
+.Fx 7.2 ,
 is based on the
 .Xr uark 4
 driver, and written by
diff --git a/usr.sbin/cpucontrol/cpucontrol.8 b/usr.sbin/cpucontrol/cpucontrol.8
index b049f14c328..01bc9d30008 100644
--- a/usr.sbin/cpucontrol/cpucontrol.8
+++ b/usr.sbin/cpucontrol/cpucontrol.8
@@ -113,7 +113,7 @@ use the following command:
 The
 .Nm
 utility first appeared in
-.Fx 8.0 .
+.Fx 7.2 .
 .Sh BUGS
 Yes, probably, report if any.
 .Sh AUTHORS
diff --git a/usr.sbin/crashinfo/crashinfo.8 b/usr.sbin/crashinfo/crashinfo.8
index e4ae67b365f..fbb4ddc6d70 100644
--- a/usr.sbin/crashinfo/crashinfo.8
+++ b/usr.sbin/crashinfo/crashinfo.8
@@ -106,4 +106,4 @@ Specify an explicit kernel file.
 The
 .Nm
 utility appeared in
-.Fx 8.0 .
+.Fx 6.4 .
diff --git a/usr.sbin/setfib/setfib.1 b/usr.sbin/setfib/setfib.1
index fd0516bf1a1..37753a078a7 100644
--- a/usr.sbin/setfib/setfib.1
+++ b/usr.sbin/setfib/setfib.1
@@ -94,4 +94,4 @@ have an equivalent function.
 The
 .Nm
 utility appeared in
-.Fx 8.0 .
+.Fx 7.1 .