www: aarch64 is actually supported; powerpc has been deprecated for a long time

public/newmadeleine/index.html.in

@@ -92,8 +92,8 @@
 	<li>legacy: SCI, Quadrics QsNet-2, Myrinet (MX and GM)</li>
       </ul>
       <P>
-	It has been tested with Linux on IA32, IA64 and x86-64
-	architectures, and with MacOs/X on PowerPC architectures.
+	It has been tested with Linux on IA32, IA64, x86-64, and ARM aarch64
+	architectures.
       </p>
       <p>
 	This library is developed and maintained by Alexandre Denis,