diff --git a/reference/filesystem/functions/flock.xml b/reference/filesystem/functions/flock.xml
index 3330cdb530..f2bae5dbaa 100644
--- a/reference/filesystem/functions/flock.xml
+++ b/reference/filesystem/functions/flock.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.10 $ -->
+<!-- $Revision: 1.11 $ -->
 <!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.2 -->
   <refentry id="function.flock">
    <refnamediv>
@@ -67,7 +67,8 @@
      reader/writer model which can be used on virtually every platform
      (including most Unix derivatives and even Windows).  The optional third
      argument is set to &true; if the lock would block (EWOULDBLOCK
-     errno condition)
+     errno condition). The lock is released also by <function>fclose</function>
+     (which is also called automatically when script finished).
     </simpara>
     <simpara>
       &return.success;