--- a/xml/en/docs/http/ngx_http_ssl_module.xml	Fri May 27 15:49:10 2016 +0000
+++ b/xml/en/docs/http/ngx_http_ssl_module.xml	Fri May 27 19:05:15 2016 +0300
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_ssl_module"
         link="/en/docs/http/ngx_http_ssl_module.html"
         lang="en"
-        rev="20">
+        rev="21">
 
 <section id="summary">
 
@@ -278,7 +278,7 @@
 
 <directive name="ssl_ecdh_curve">
 <syntax><value>curve</value></syntax>
-<default>prime256v1</default>
+<default>auto</default>
 <context>http</context>
 <context>server</context>
 <appeared-in>1.1.0</appeared-in>
@@ -288,6 +288,27 @@
 Specifies a <value>curve</value> for ECDHE ciphers.
 </para>
 
+<para>
+When using OpenSSL 1.0.2 or higher,
+it is possible to specify multiple curves (1.11.0), for example:
+<example>
+ssl_ecdh_curve prime256v1:secp384r1;
+</example>
+</para>
+
+<para>
+The special value <literal>auto</literal> (1.11.0) instructs nginx to use
+a list built into the OpenSSL library when using OpenSSL 1.0.2 or higher,
+or <literal>prime256v1</literal> with older versions.
+</para>
+
+<para>
+<note>
+Prior to version 1.11.0,
+the <literal>prime256v1</literal> curve was used by default.
+</note>
+</para>
+
 </directive>