Fix a missing link

Author: jvoisin

README.md

@@ -88,7 +88,7 @@ Ho, and by the way, you can run the *comprehensive* testsuite with `make tests`.
 
 Check the [whitelist.yar](https://github.com/nbs-system/php-malware-finder/blob/master/php-malware-finder/whitelist.yar) file.
 If you're lazy, you can generate whitelists for entire folders with the
-[generate_whitelist.py](https://github.com/nbs-system/php-malware-finder/blob/master/php-malware-finder/generate_whitelist.py) script.
+[generate_whitelist.py](https://github.com/nbs-system/php-malware-finder/blob/master/php-malware-finder/utils/generate_whitelist.py) script.
 
 ## Why should I use it instead of something else?