diff --git a/README.md b/README.md
index d67793b..b2366f2 100644
--- a/README.md
+++ b/README.md
@@ -150,6 +150,7 @@ Regular expression : `^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$`
 ### OSINT
 
 - https://osintframework.com/
+- http://raidersec.blogspot.com/2012/12/automated-open-source-intelligence.html#google_api
 
 #### Google dork requests