diff --git a/recon/README.md b/recon/README.md
index 96f18f6..b3bc6ae 100644
--- a/recon/README.md
+++ b/recon/README.md
@@ -51,6 +51,6 @@ WHOIS information is based upon a tree hierarchy. ICANN (IANA) is the authoritat
 ## Active Recon
 * [Tons of references to scanners and vulnerability management software for active reconnaissance](http://www.pentest-standard.org/index.php/PTES_Technical_Guidelines#Vulnerability_Analysis)
 * [nmap cheat sheet](https://github.com/The-Art-of-Hacking/h4cker/blob/master/cheat_sheets/NMAP_cheat_sheet.md)
-* nikto
+* [nikto](https://learning.oreilly.com/interactive-lab/ethical-hacking-web/9780137673469X003/)
 * [nuclei](https://github.com/The-Art-of-Hacking/h4cker/blob/master/cheat_sheets/NMAP_cheat_sheet.md)
 * [OWASP ZAP](https://www.zaproxy.org)