--- a/xml/en/docs/http/ngx_http_proxy_module.xml	Sat Apr 18 16:42:30 2015 +0000
+++ b/xml/en/docs/http/ngx_http_proxy_module.xml	Wed Apr 15 17:47:10 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="36">
+        rev="37">
 
 <section id="summary">
 
@@ -1645,6 +1645,14 @@
 used for authentication to a proxied HTTPS server.
 </para>
 
+<para>
+The value
+<literal>engine</literal>:<value>name</value>:<value>id</value>
+can be specified instead of the <value>file</value> (1.7.9),
+which loads a secret key with a specified <value>id</value>
+from the OpenSSL engine <value>name</value>.
+</para>
+
 </directive>