diff --git a/main.json b/main.json
index b12870a..16b6ee8 100644
--- a/main.json
+++ b/main.json
@@ -150,7 +150,7 @@
                 {
                  "name":"exitUrl",
                  "type":"string",
-                 "value":"https:\/\/rc3.world"
+                 "value":"world:\/\/"
                 }],
          "type":"tilelayer",
          "visible":true,
@@ -480,6 +480,12 @@
          "imagewidth":512,
          "margin":0,
          "name":"dk_lines",
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC0 cert"
+                }],
          "spacing":0,
          "tilecount":256,
          "tileheight":32,