diff --git a/appendices/ini.xml b/appendices/ini.xml
index f58cc533c1..a6898586b6 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.84 $ -->
+<!-- $Revision: 1.85 $ -->
 
 <appendix xml:id="ini" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>&php.ini; directives</title>
@@ -4647,7 +4647,10 @@ include_path=".;c:\php\includes"
        </para>
        <para>
         Using a <literal>.</literal> in the include path allows for
-        relative includes as it means the current directory.
+        relative includes as it means the current directory.  However,
+        it is more efficient to explicitly use <literal>include
+        './file'</literal> than having PHP always check the current
+        directory for every include.
        </para>
       </listitem>
      </varlistentry>