Update README.md

Author: edoardottt

README.md

@@ -225,7 +225,7 @@ A curated list of awesome search engines useful during Penetration testing, Vuln
 - [ContactOut](https://contactout.com/) - Most accurate email finder for personal and work email outreach
 - [validemail.io](https://validemail.io/) - Validate email addresses for deliverability with our Email Validation API
 - [Predicta Search](https://www.predictasearch.com/) - Reverse lookup search engine for email and phone numbers
-- [Infoga.io](Infoga.io) - Find out all email for a certain domain using search engines
+- [Infoga.io](https://www.infoga.io/) - Find out all email for a certain domain using search engines
 
 ### Domains