diff --git a/project/data/levels/levels.json b/project/data/levels/levels.json
index 4da65a4..8b300ce 100644
--- a/project/data/levels/levels.json
+++ b/project/data/levels/levels.json
@@ -1,7 +1,7 @@
-[
+  [
   {
     "name": "0-tutorial",
-    "theme": "tutorial",
+    "theme": "cave",
     "abilities": [
     ],
     "file": "0-tutorial.csv"