diff --git a/reference/info/functions/dl.xml b/reference/info/functions/dl.xml
index edbe4a7498..3c6c890b66 100644
--- a/reference/info/functions/dl.xml
+++ b/reference/info/functions/dl.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 <!-- splitted from ./en/functions/info.xml, last change in rev 1.29 -->
   <refentry id="function.dl">
    <refnamediv>
@@ -49,7 +49,7 @@
 <?php
 // Example loading an extension based on OS
 if (!extension_loaded('sqlite')) {
-    if (strtoupper(substr(PHP_OS, 0, 3) == 'WIN')) {
+    if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
         dl('php_sqlite.dll');
     } else {
         dl('sqlite.so');
@@ -58,7 +58,7 @@ if (!extension_loaded('sqlite')) {
 
 // Or, the PHP_SHLIB_SUFFIX constant is available as of PHP 4.3.0
 if (!extension_loaded('sqlite')) {
-    $prefix = (PHP_SHLIB_SUFFIX == 'dll') ? 'php_' : '';
+    $prefix = (PHP_SHLIB_SUFFIX === 'dll') ? 'php_' : '';
     dl($prefix . 'sqlite.' . PHP_SHLIB_SUFFIX);
 }
 ?>