--- a/xml/en/docs/http/ngx_http_geo_module.xml
+++ b/xml/en/docs/http/ngx_http_geo_module.xml
@@ -55,7 +55,7 @@ then the “<literal>255.255.255.255</literal>” address is used.
 
 <para>
 Addresses are specified as CIDR or ranges (0.7.23).
-There are also five special parameters:
+The following special parameters are also supported:
 <list type="tag">
 
 <tag-name><literal>delete</literal></tag-name>
@@ -79,12 +79,26 @@ There can be several inclusions.
 
 <tag-name><literal>proxy</literal></tag-name>
 <tag-desc>
-sets the addresses of proxy servers (0.8.7, 0.7.63).
-When a request comes from one of the proxy servers,
+defines trusted addresses (0.8.7, 0.7.63).
+When a request comes from a trusted address,
 an address from the <header>X-Forwarded-For</header> request
 header field will be used instead.
-In contrast to the regular addresses, proxy server addresses are
+In contrast to the regular addresses, trusted addresses are
 checked sequentially.
+<note>
+IPv6 addresses are supported starting from version 1.3.0.
+</note>
+</tag-desc>
+
+<tag-name><literal>proxy_recursive</literal></tag-name>
+<tag-desc>
+enables recursive address search (1.3.0).
+If recursive search is disabled then instead of an original client
+address that matches one of the trusted addresses, the last
+address sent in <header>X-Forwarded-For</header> will be used.
+If recursive search is enabled then instead an original client
+address that matches one of the trusted addresses, the last
+non-trusted address sent in <header>X-Forwarded-For</header> will be used.
 </tag-desc>
 
 <tag-name><literal>ranges</literal></tag-name>
@@ -105,6 +119,7 @@ geo $country {
     include        conf/geo.conf;
     delete         127.0.0.0/16;
     proxy          192.168.100.0/24;
+    proxy          2001:0db8::/32;
 
     127.0.0.0/24   US;
     127.0.0.1/32   RU;