diff -up gnuplot-5.2.8/man/gnuplot.1.cmd-opts gnuplot-5.2.8/man/gnuplot.1
--- gnuplot-5.2.8/man/gnuplot.1.cmd-opts	2020-02-06 20:30:51.973985195 -0700
+++ gnuplot-5.2.8/man/gnuplot.1	2020-02-06 20:32:02.527417607 -0700
@@ -48,7 +48,7 @@ Support for a huge variety of output dev
 .PP
 \fB\-c scriptname ARG1 ARG2 ..., load script using gnuplot's "call" mechanism and pass it the remainder of the command line as arguments
 .PP
-\fB\-d, \-\-default\fP settings.  Do not read from gnuplotrc or ~/.gnuplot on entry.
+\fB\-d, \-\-default\-settings\fP settings.  Do not read from gnuplotrc or ~/.gnuplot on entry.
 .PP
 \fB\-e "command list"\fP executes the requested commands before loading the next input file.
 .PP
@@ -56,7 +56,7 @@ Support for a huge variety of output dev
 .PP
 \fB\-h, \-\-help\fP print summary of usage
 .PP
-\fB\-V\fP show current version
+\fB\-V, \-\-version\fP show current version
 .SH X11 OPTIONS
 For terminal type x11, \fIgnuplot\fP
 accepts the standard X Toolkit options and resources such as geometry, font,
