Handle v4-mapped IPv6 addresses sanely for --synth-domain.
diff --git a/CHANGELOG b/CHANGELOG
index 4f89799..2731cc4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -24,7 +24,12 @@
 	    Bump zone serial on reloading /etc/hosts and friends
 	    when providing authoritative DNS. Thanks to Harrald
 	    Dunkel for spotting this.
-	
+
+	    Handle v4-mapped IPv6 addresses sanely in --synth-domain.
+	    These have standard representation like ::ffff:1.2.3.4
+	    and are now converted to names like
+	    <prefix>--ffff-1-2-3-4.<domain>
+
 
 version 2.76
             Include 0.0.0.0/8 in DNS rebind checks. This range