Index: usr.bin/diff/diff.1
===================================================================
--- usr.bin/diff/diff.1
+++ usr.bin/diff/diff.1
@@ -286,7 +286,7 @@
 It cannot be digested by
 .Xr ed 1 .
 .It Fl -help
-This option prints a summary and exits with status 0.
+This option prints a summary to stdout and exits with status 0.
 .It Fl n
 Produces a script similar to that of
 .Fl e ,
@@ -313,8 +313,8 @@
 .Fl c ,
 all lines to be changed (added and/or removed) are present in
 a single section.
-.It -version
-This option prints a version string and exits with status 0.
+.It Fl -version
+This option prints a version string to stdout and exits with status 0.
 .It Fl y Fl -side-by-side
 Output in two columns with a marker between them.
 The marker can be one