Index: usr.bin/units/units.1
===================================================================
--- usr.bin/units/units.1	(revision 300914)
+++ usr.bin/units/units.1	(working copy)
@@ -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.