diff --git a/.gitignore b/.gitignore
index 328afa0..b268261 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 .DS_Store
 *.code-workspace
 *.txt
+
+_docs/
diff --git a/biomes/flat.json b/biomes/flat.json
index fd5b1fa..5d9e192 100644
--- a/biomes/flat.json
+++ b/biomes/flat.json
@@ -4,7 +4,9 @@
     "layers": [
         {
             "palette": [
-                "GRASS_BLOCK"
+                {
+                    "block": "grass_block"
+                }
             ],
             "style": {
                 "style": "FLAT"
@@ -12,7 +14,9 @@
         },
         {
             "palette": [
-                "DIRT"
+                {
+                    "block": "dirt"
+                }
             ],
             "minHeight": 2,
             "maxHeight": 2,