diff --git a/docs/curl.1 b/docs/curl.1
index 820b90cd5..cd6e13d33 100644
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -2,7 +2,7 @@
 .\" nroff -man curl.1
 .\" Written by Daniel Stenberg
 .\"
-.TH curl 1 "24 August 2000" "Curl 7.2" "Curl Manual"
+.TH curl 1 "15 August 2000" "Curl 7.3" "Curl Manual"
 .SH NAME
 curl \- get a URL with FTP, TELNET, LDAP, GOPHER, DICT, FILE, HTTP or
 HTTPS syntax.
@@ -241,6 +241,12 @@ or use several variables like:
 .IP "-O/--remote-name"
 Write output to a local file named like the remote file we get. (Only
 the file part of the remote file is used, the path is cut off.)
+.IP "-p/--proxytunnel"
+When an HTTP proxy is used, this option will cause non-HTTP protocols to
+attempt to tunnel through the proxy instead of merely using it to do HTTP-like
+operations. The tunnel approach is made with the HTTP proxy CONNECT request
+and requires that the proxy allows direct connect to the remote port number
+curl wants to tunnel through to.
 .IP "-P/--ftpport <address>"
 (FTP)
 Reverses the initiator/listener roles when connecting with ftp. This
diff --git a/docs/curl_easy_setopt.3 b/docs/curl_easy_setopt.3
index e1ab4e63e..e637a16c3 100644
--- a/docs/curl_easy_setopt.3
+++ b/docs/curl_easy_setopt.3
@@ -2,7 +2,7 @@
 .\" nroff -man [file]
 .\" Written by daniel@haxx.se
 .\"
-.TH curl_easy_setopt 3 "24 August 2000" "Curl 7.2" "libcurl Manual"
+.TH curl_easy_setopt 3 "15 September 2000" "Curl 7.3" "libcurl Manual"
 .SH NAME
 curl_easy_setopt - Set curl easy-session options
 .SH SYNOPSIS
@@ -87,6 +87,12 @@ the end of the host name. The proxy string may be prefixed with
 Set this long with this option to set the proxy port to use unless it is
 specified in the proxy string CURLOPT_PROXY.
 .TP
+.B CURLOPT_HTTPPROXYTUNNEL
+Set the parameter to non-zero to get the library to tunnel all non-HTTP
+operations through the given HTTP proxy. Do note that there is a big
+difference to use a proxy and to tunnel through it. If you don't know what
+this means, you probably don't want this tunnel option. (Added in libcurl 7.3)
+.TP
 .B CURLOPT_VERBOSE
 Set the parameter to non-zero to get the library to display a lot of verbose
 information about its operations.
@@ -194,7 +200,8 @@ post operation. See also the CURLOPT_POST.
 If you want to post data to the server without letting libcurl do a strlen()
 to measure the data size, this option must be used. Also, when this option is
 used, you can post fully binary data which otherwise is likely to fail. If
-this size is set to zero, the library will use strlen() to get the data size.
+this size is set to zero, the library will use strlen() to get the data
+size. (Added in libcurl 7.2)
 .TP
 .B CURLOPT_REFERER
 Pass a pointer to a zero terminated string as parameter. It will be used to