--- a/xml/en/docs/http/ngx_http_core_module.xml	Tue Apr 26 19:33:57 2016 +0300
+++ b/xml/en/docs/http/ngx_http_core_module.xml	Thu Apr 28 14:24:04 2016 +0300
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_core_module"
         link="/en/docs/http/ngx_http_core_module.html"
         lang="en"
-        rev="54">
+        rev="55">
 
 <section id="directives" name="Directives">
 
@@ -3068,6 +3068,11 @@
 directives, and the request URI
 </tag-desc>
 
+<tag-name id="var_request_id"><var>$request_id</var></tag-name>
+<tag-desc>
+unique request identifier (1.11.0)
+</tag-desc>
+
 <tag-name id="var_request_length"><var>$request_length</var></tag-name>
 <tag-desc>
 request length (including request line, header, and request body)