--- a/xml/en/docs/http/ngx_http_proxy_module.xml	Wed Aug 05 13:13:06 2015 +0000
+++ b/xml/en/docs/http/ngx_http_proxy_module.xml	Thu Aug 06 12:54:04 2015 +0300
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_proxy_module"
         link="/en/docs/http/ngx_http_proxy_module.html"
         lang="en"
-        rev="39">
+        rev="40">
 
 <section id="summary">
 
@@ -500,6 +500,12 @@
 </para>
 
 <para>
+The <literal>error</literal> parameter also permits
+using a stale cached response if a proxied server to process a request
+cannot be selected.
+</para>
+
+<para>
 Additionally, the <literal>updating</literal> parameter permits
 using a stale cached response if it is currently being updated.
 This allows minimizing the number of accesses to proxied servers