diff --git a/README_SOURCE.md b/README_SOURCE.md
index 6a64a9cd..f04a78e1 100644
--- a/README_SOURCE.md
+++ b/README_SOURCE.md
@@ -1066,7 +1066,7 @@ _Libraries that handle security, authentication, authorization or session manage
 - [Nbvcxz](https://github.com/GoSimpleLLC/nbvcxz) - Advanced password strength estimation.
 - [OpenAM](https://github.com/OpenIdentityPlatform/OpenAM) - Access management solution that includes authentication, SSO, authorization, federation, entitlements and web services security.
 - [OTP-Java](https://github.com/BastiaanJansen/OTP-Java) - One-time password generator library according to RFC 4226 (HOTP) and RFC 6238 (TOTP).
-- [pac4j](https://github.com/pac4j/pac4j) - Security engine.
+- [pac4j](https://github.com/pac4j/pac4j) - Framework-agnostic authentication and authorization engine supporting OpenID Connect, SAML, CAS, OAuth, JWT and LDAP, with adapters for Spring, Jakarta EE, Play, Vert.x and more.
 - [Passay](https://github.com/vt-middleware/passay) - Enforce password policy by validating candidate passwords against a configurable rule set.
 - [Password4j](https://github.com/Password4j/password4j) - User-friendly cryptographic library that supports Argon2, Bcrypt, Scrypt, PBKDF2 and various other cryptographic hash functions.
 - [SecurityBuilder](https://github.com/tersesystems/securitybuilder) - Fluent Builder API for JCA and JSSE classes and especially X.509 certificates.