I just ran across this. Ok?
Index: bsd.regress.mk.5
===================================================================
RCS file: /cvs/src/share/man/man5/bsd.regress.mk.5,v
retrieving revision 1.14
diff -u -p -r1.14 bsd.regress.mk.5
--- bsd.regress.mk.5 3 Jul 2017 18:19:55 -0000 1.14
+++ bsd.regress.mk.5 11 Aug 2017 16:39:12 -0000
@@ -155,7 +155,7 @@ to run
before, this directory or symlink may not exist.
Then the test should run anyway.
.Pp
-Test are executed with
+Tests are executed with
.Sy make Cm regress ,
but running
.Sy make Cm all
