Index: contrib/mandoc/apropos.1
===================================================================
--- contrib/mandoc/apropos.1
+++ contrib/mandoc/apropos.1
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 30 2020 $
+.Dd $Mdocdate: July 5 2020 $
 .Dt APROPOS 1
 .Os
 .Sh NAME
@@ -496,9 +496,11 @@
 .Pp
 The
 .Nm
-utility was integrated into
+utility appeared in
+.Fx 1.0 .
+Since
 .Fx 11.1
-as part of the switch to mandoc.
+it is based on the mandoc implementation.
 .Sh AUTHORS
 .An -nosplit
 .An Bill Joy
Index: contrib/mandoc/makewhatis.8
===================================================================
--- contrib/mandoc/makewhatis.8
+++ contrib/mandoc/makewhatis.8
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 30 2020 $
+.Dd $Mdocdate: July 5 2020 $
 .Dt MAKEWHATIS 8
 .Os
 .Sh NAME
@@ -214,9 +214,11 @@
 .Pp
 The
 .Nm
-utility was integrated into
+utility appeared in
+.Fx 2.1 .
+Since
 .Fx 11.1
-as part of the switch to mandoc.
+it is based on the mandoc implementation.
 .Sh AUTHORS
 .An -nosplit
 .An Bill Joy