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+# Customizing your world
+Customizing the way your world generate is one of the main points of BetterGen generator.    
+It introduces a whole customization system, options, that includes:
+- preventing some biomes from being generated
+- preventing some structures from being generated.
+    
+Options are JSON encoded, and array are strings, but separated by a comma.    
+You can set the options when generating a world by using /createworld <world name> betternormal <seed>
+
+### deleteBiomes
+The "deleteBiomes" options allows you to prevent some biomes from being generated.    
+It's an array which biomes should be separated by a comma.   
+List of applicable biomes:
+- Ocean
+- Plains
+- BetterDesert
+- OakForest
+- BirchForest
+- SakuraForest
+- BetterIcePlains
+- BetterMesa
+- BetterMesaPlains
+- BetterRiver