Index: head/usr.bin/units/units.1
===================================================================
--- head/usr.bin/units/units.1
+++ head/usr.bin/units/units.1
@@ -1,5 +1,5 @@
 .\" $FreeBSD$
-.Dd July 4, 2014
+.Dd August 12, 2017
 .Dt UNITS 1
 .Os
 .Sh NAME
@@ -18,7 +18,7 @@
 Show an overview of options
 .It Fl f Ar filename \&No , Fl -file Ar filename
 Specify the name of the units data file to load.
-.It Fl H Ar filename \&No , Fl -historyfile Ar filename
+.It Fl H Ar filename \&No , Fl -history Ar filename
 Ignored, for compatibility with GNU units.
 .It Fl e , Fl -exponential
 Behave as if -o '%6e' was typed.