clarify that multiple servers can be used easily

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@181375 c90b9560-bf6c-de11-be94-00142212c4b1

reference/memcache/reference.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
  <reference id="ref.memcache">
   <title>Memcache Functions</title>
   <titleabbrev>Memcache</titleabbrev>
@@ -12,6 +12,11 @@
      to memcached, highly effective caching daemon, which was especially
      designed to decrease database load in dynamic web applications.
     </para>
+    <para>
+     This module doesn't have native support of multiple servers, but you
+     still can implement it yourself in your application. Establish several
+     memcached connections, set priority level for each server etc.
+    </para>
     <para>
      More information about memcached can be found at <ulink
      url="&url.memcache;">&url.memcache;</ulink>.
@@ -110,4 +115,4 @@ End:
 vim600: syn=xml fen fdm=syntax fdl=2 si
 vim: et tw=78 syn=sgml
 vi: ts=1 sw=1
--->
+-->