diff --git a/regions/savanna.json b/regions/savanna.json
index 977e7d9d..5fbfa0ac 100644
--- a/regions/savanna.json
+++ b/regions/savanna.json
@@ -15,7 +15,7 @@
         "temperate/temperate-river"
     ],
     "caveBiomes": [
-	"temperate/temperate-old-cavern"
+	    "temperate/temperate-old-cavern"
     ],
     "riverStyle": {
         "style": "VASCULAR",