Man update

manpage/nvtop.in

@@ -4,29 +4,59 @@
 .TH nvtop 1 "March 2018" "Version @NVTOP_VERSION_MAJOR@.@NVTOP_VERSION_MINOR@.@NVTOP_VERSION_PATCH@" "nvtop command"
 
 .SH NAME
-nvtop - NVIDIA GPU top
+nvtop \- NVIDIA GPU top
 
 .SH SYNOPSIS
 .B nvtop
-\fR[\fB-h\fR]
-\fR[\fB-v\fR]
-\fR[\fB-d\fR \fIdelay\fR]
+\fR[\fB\-h\fR]
+\fR[\fB\-v\fR]
+\fR[\fB\-d\fR \fIdelay\fR]
 
 .SH DESCRIPTION
-nvtop is a ncurses-based GPU status viewer for NVIDIA GPUs.
+nvtop is a ncurses\-based GPU status viewer for NVIDIA GPUs.
 
-.SH OPTIONS
+.SH COMMAND\-LINE OPTIONS
 .TP
-.BR -d ", " --delay =\fIdelay\fR
+.BR \-d ", " \-\-delay =\fIdelay\fR
 Delay between updates, in tenths of seconds (\fIdelay\fR * 0.1s).
 .TP
-.BR -h ", " --help
+.BR \-h ", " \-\-help
 Print the help and exit.
 .TP
-.BR -v ", " --version
+.BR \-v ", " \-\-version
 Print the version and exit.
 
+.SH INTERACTIVE COMMANDS
+.TP
+The following commands are available while in nvtop:
+.TP
+.BR Up
+Select (highlight) the previous process.
+.TP
+.BR Down
+Select (highlight) the next process.
+.TP
+.BR +
+Sort increasingly.
+.TP
+.BR -
+Sort decreasingly.
+.TP
+.BR F1
+"Kill" process: Select a signal to send to the highlighted process.
+.TP
+.BR F2
+Sort: Select the field for sorting. The current sort field is highlighted inside the header bar.
+.TP
+.BR F3 ", " q ", " Esc
+Quit.
+
 .SH BUGS
-No known bugs.
+.TP
+.BR "Some fields are shown as N/A"
+Ask NVIDIA for better support of your hardware!
+.TP
+.BR "Compatibility issues"
+Does not work with nouveau driver stack and older NVIDIA GPU for the time being.
 .SH AUTHOR
 Written by Maxime Schmitt.