diff --git a/implementation/jwt-auth/src/main/java/io/smallrye/jwt/auth/principal/JWTCallerPrincipal.java b/implementation/jwt-auth/src/main/java/io/smallrye/jwt/auth/principal/JWTCallerPrincipal.java
index 1f0f3d44..fb4ea38f 100644
--- a/implementation/jwt-auth/src/main/java/io/smallrye/jwt/auth/principal/JWTCallerPrincipal.java
+++ b/implementation/jwt-auth/src/main/java/io/smallrye/jwt/auth/principal/JWTCallerPrincipal.java
@@ -57,8 +57,8 @@ public JWTCallerPrincipal(String rawToken, String tokenType) {
      * but the next fallback claim, the "preferred_username" claim is.
      * This is due to the fact that a standard OpenId Connect "preferred_username" claim value
      * is not guaranteed to be unique.
-     * Use {@link JsonWebToken#getSubject()} or {@link JsonWebToken#getClaim("upn")} to get a unique
-     * identifier.
+     * Use {@link JsonWebToken#getSubject()} to get a unique subject value
+     * or {@link JsonWebToken#getClaim(String)} to get a 'upn' claim whose value is a unique identifier.
      */
     @Override
     public String getName() {