--- a/xml/en/docs/http/ngx_http_map_module.xml
+++ b/xml/en/docs/http/ngx_http_map_module.xml
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_map_module"
         link="/en/docs/http/ngx_http_map_module.html"
         lang="en"
-        rev="4">
+        rev="5">
 
 <section id="summary">
 
@@ -109,7 +109,7 @@ variable (0.9.0), and their combination 
 </para>
 
 <para>
-The directive also supports three special parameters:
+The following special parameters are also supported:
 <list type="tag">
 <tag-name><literal>default</literal> <value>value</value></tag-name>
 <tag-desc>
@@ -144,6 +144,11 @@ includes a file with values.
 There can be several inclusions.
 </tag-desc>
 
+<tag-name id="volatile"><literal>volatile</literal></tag-name>
+<tag-desc>
+indicates that the variable is not cacheable (1.11.7).
+</tag-desc>
+
 </list>
 </para>