--- a/xml/en/docs/http/ngx_http_upstream_module.xml	Thu Oct 24 18:04:06 2019 +0300
+++ b/xml/en/docs/http/ngx_http_upstream_module.xml	Thu Oct 24 21:47:42 2019 +0300
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_upstream_module"
         link="/en/docs/http/ngx_http_upstream_module.html"
         lang="en"
-        rev="81">
+        rev="82">
 
 <section id="summary">
 
@@ -660,6 +660,13 @@
 After the maximum number of requests is made, the connection is closed.
 </para>
 
+<para>
+Closing connections periodically is necessary to free
+per-connection memory allocations.
+Therefore, using too high maximum number of requests
+could result in excessive memory usage and not recommended.
+</para>
+
 </directive>