diff --git a/features/safe-mode.xml b/features/safe-mode.xml
index f8021d9de9..8a8d8c1956 100644
--- a/features/safe-mode.xml
+++ b/features/safe-mode.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.69 $ -->
-<!-- $Revision: 1.69 $ -->
+<!-- $Revision: 1.70 $ -->
+<!-- $Revision: 1.70 $ -->
  <chapter xml:id="features.safe-mode" xmlns="http://docbook.org/ns/docbook">
   <title>Safe Mode</title>
 
@@ -225,7 +225,9 @@
         the location of the file is checked. When the file is outside the
         specified directory-tree, PHP will refuse to open it. All symbolic
         links are resolved, so it's not possible to avoid this restriction
-        with a symlink.
+        with a symlink. If the file doesn't exist then the symlink couldn't be
+        resolved and the filename is compared to (a resolved)
+        <parameter>open_basedir</parameter>.
        </para>
        <para>
         The special value <systemitem class="filesystem">.</systemitem>