update demo page

index.html

@@ -19,7 +19,7 @@ <h1 style="margin: 1rem 0;">lp-model</h1>
             WebAssembly.
         </p>
         <pre id="output" style="font-size: 0.85rem;">Loading...</pre>
-        <p>If you see an ILP written in the CPLEX LP format, and both the HiGHS solution and the GLPK solution, it worked!</p>
+        <p>If you see an ILP written in the CPLEX LP format, and the solution <code>x = 1</code>, <code>y = 2</code> returned by HiGHS, GLPK, and jsLPSolver, it worked!</p>
         <p><a href="https://github.com/DominikPeters/lp-model/blob/master/index.html">HTML source code</a> of this demo page.</p>
     </main>
     <!-- <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/lp-model.min.js"></script> -->