diff --git a/docs/educational.md b/docs/educational.md
index db12b844b..02a262911 100644
--- a/docs/educational.md
+++ b/docs/educational.md
@@ -1239,7 +1239,7 @@
 * [Pentesting Bible](https://github.com/blaCCkHatHacEEkr/PENTESTING-BIBLE) or [Juice Shop](https://owasp.org/www-project-juice-shop/) - Learn Pentesting
 * [How DNS Works](https://howdns.works/) - Learn DNS
 * [How DNSSEC Works](https://howdnssec.works/) - Learn DNSSEC
-* [CryptoPals](https://cryptopals.com/) or [cryptohack](https://cryptohack.org/) - Cryptography Learning
+* [CrypTool](https://www.cryptool.org/), [CryptoPals](https://cryptopals.com/) or [cryptohack](https://cryptohack.org/) - Cryptography Learning
 * [How HTTPS Works](https://howhttps.works/) - Learn HTTPS
 
 ***