Update README.adoc

Signed-off-by: Jonathan D.A. Jewell <6759885+hyperpolymath@users.noreply.github.com>

Author: hyperpolymath

README.adoc

@@ -1,6 +1,6 @@
 = [quantum (sic)] DNS Fluctuator
 
-image:[License,link="https://github.com/hyperpolymath/palimpsest-license"]
+image:https://img.shields.io/badge/license-PMPL--1.0-blue.svg[License,link="https://github.com/hyperpolymath/palimpsest-license"]
 
 // SPDX-License-Identifier: PMPL-1.0
 // SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell