diff --git a/doc/man/httpdirfs.1 b/doc/man/httpdirfs.1
index a6db827..b7c3bd7 100644
--- a/doc/man/httpdirfs.1
+++ b/doc/man/httpdirfs.1
@@ -1,24 +1,22 @@
-.TH HTTPDIRFS "1" "August 2019" "HTTPDirFS version 1.1.10" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.8.
+.TH HTTPDIRFS "1" "August 2021" "HTTPDirFS version 1.2.2" "User Commands"
 .SH NAME
-HTTPDirFS \- filesystem client for HTTP directory listing
-.SH SYNOPSIS
-.B httpdirfs
-[\fI\,options\/\fR] \fI\,URL mountpoint\/\fR
+HTTPDirFS \- manual page for HTTPDirFS version 1.2.2
 .SH DESCRIPTION
-HTTPDirFS is program that can be used to mount HTTP directory listings
-(generated using an Apache DirectoryIndex, for example) as a virtual filesystem
-through the FUSE interface. It supports HTTP basic authentication and proxy.
-.SH OPTIONS
+usage: ./httpdirfs [options] URL mountpoint
 .SS "General options:"
 .TP
+\fB\-\-config\fR
+Specify a configuration file
+.TP
 \fB\-o\fR opt,[opt...]
-mount options
+Mount options
 .TP
-\fB\-h\fR   \fB\-\-help\fR
-print help
+\fB\-h\fR  \fB\-\-help\fR
+Print help
 .TP
-\fB\-V\fR   \fB\-\-version\fR
-print version
+\fB\-V\fR  \fB\-\-version\fR
+Print version
 .SS "HTTPDirFS options:"
 .TP
 \fB\-u\fR  \fB\-\-username\fR
@@ -66,6 +64,14 @@ after encountering an error. (default: 5)
 .TP
 \fB\-\-user\-agent\fR
 Set user agent string (default: "HTTPDirFS")
+.TP
+\fB\-\-no\-range\-check\fR
+Disable the build\-in check for the server's support
+for HTTP range requests
+.TP
+\fB\-\-insecure_tls\fR
+Disable licurl TLS certificate verification by
+setting CURLOPT_SSL_VERIFYHOST to 0
 .SS "FUSE options:"
 .TP
 \fB\-d\fR   \fB\-o\fR debug
@@ -218,9 +224,20 @@ prepend this directory to all paths (mandatory)
 .TP
 \fB\-o\fR [no]rellinks
 transform absolute symlinks to relative
-.SH AUTHORS
-.LP
-HTTPDirFS has been written by Fufu Fang <fangfufu2003@gmail.com>.
-.LP
-This manpage was written by Jerome Charaoui <jerome@riseup.net> for the
-Debian GNU/Linux distribution (but it may be used by others).
+.PP
+libcurl SSL engine: OpenSSL/1.1.1d
+FUSE library version: 2.9.9
+fusermount version: 2.9.9
+using FUSE kernel interface version 7.19
+.SH "SEE ALSO"
+The full documentation for
+.B HTTPDirFS
+is maintained as a Texinfo manual.  If the
+.B info
+and
+.B HTTPDirFS
+programs are properly installed at your site, the command
+.IP
+.B info HTTPDirFS
+.PP
+should give you access to the complete manual.