Fix typo in JavaDoc

Closes gh-12143

core/src/main/java/org/springframework/security/authentication/dao/DaoAuthenticationProvider.java

@@ -40,7 +40,7 @@ import org.springframework.util.Assert;
 public class DaoAuthenticationProvider extends AbstractUserDetailsAuthenticationProvider {
 
 	/**
-	 * The plaintext password used to perform PasswordEncoder#matches(CharSequence,
+	 * The plaintext password used to perform {@link PasswordEncoder#matches(CharSequence,
 	 * String)} on when the user is not found to avoid SEC-2056.
 	 */
 	private static final String USER_NOT_FOUND_PASSWORD = "userNotFoundPassword";