diff --git a/docs/nmap.1 b/docs/nmap.1
index 1e05fc237..bef94f7bf 100644
--- a/docs/nmap.1
+++ b/docs/nmap.1
@@ -1,13 +1,13 @@
 '\" t
 .\"     Title: nmap
 .\"    Author: [see the "Author" section]
-.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
-.\"      Date: 01/21/2011
+.\" Generator: DocBook XSL Stylesheets v1.74.3 <http://docbook.sf.net/>
+.\"      Date: 01/28/2011
 .\"    Manual: Nmap Reference Guide
 .\"    Source: Nmap
 .\"  Language: English
 .\"
-.TH "NMAP" "1" "01/21/2011" "Nmap" "Nmap Reference Guide"
+.TH "NMAP" "1" "01/28/2011" "Nmap" "Nmap Reference Guide"
 .\" -----------------------------------------------------------------
 .\" * set default formatting
 .\" -----------------------------------------------------------------
@@ -1323,6 +1323,16 @@ pairs\&. Names and values may be strings not containing whitespace or the charac
 The online NSE Documentation Portal at
 \m[blue]\fB\%http://nmap.org/nsedoc/\fR\m[]
 lists the arguments that each script accepts\&.
+.PP
+\fB\-\-script\-help \fR\fB\fIfilename\fR\fR\fB|\fR\fB\fIcategory\fR\fR\fB|\fR\fB\fIdirectory\fR\fR\fB|\fR\fB\fIexpression\fR\fR\fB|all\fR\fB[,\&.\&.\&.]\fR .\" --script-help
+.RS 4
+Shows help about scripts\&. For each script matching the given specification, Nmap prints the script name, its categories, and its description\&. The specifications are the same as those accepted by
+\fB\-\-script\fR; so for example if you want help about the
+ftp\-anon
+script, you would run
+\fBnmap \-\-script\-help ftp\-anon\fR\&. In addition to getting help for individual scripts, you can use this as a preview of what scripts will be run for a specification, for example with
+\fBnmap \-\-script\-help default\fR\&.
+.RE
 .RE
 .PP
 \fB\-\-script\-trace\fR .\" --script-trace
diff --git a/docs/refguide.xml b/docs/refguide.xml
index a9090e632..6b7dd891b 100644
--- a/docs/refguide.xml
+++ b/docs/refguide.xml
@@ -2392,6 +2392,27 @@ lists the arguments that each script accepts.
 </para>
 </listitem>
 
+      <varlistentry>
+        <term>
+          <option>--script-help <replaceable>filename</replaceable>|<replaceable>category</replaceable>|<replaceable>directory</replaceable>|<replaceable>expression</replaceable>|all<optional>,...</optional></option>
+          <indexterm><primary><option>--script-help</option></primary></indexterm>
+        </term>
+
+        <listitem>
+        <para>
+        Shows help about scripts. For each script matching the given
+        specification, Nmap prints the script name, its categories, and its
+        description. The specifications are the same as those accepted by
+        <option>--script</option>; so for example if you want help about
+        the <literal>ftp-anon</literal> script, you would run
+        <command>nmap --script-help ftp-anon</command>. In addition to getting
+        help for individual scripts, you can use this as a preview of what
+        scripts will be run for a specification, for example with <command>nmap
+        --script-help default</command>.
+        </para>
+        </listitem>
+      </varlistentry>
+
 </varlistentry>
       <varlistentry>
         <term><option>--script-trace</option>