Updated Customize (markdown)

Customize.md

@@ -5,10 +5,10 @@ It introduces a whole customization system, options, that includes:
 - 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>
+You can set the options when generating a world by using /createworld <world name> betternormal <seed> <options>
 
-### deleteBiomes
-The "deleteBiomes" options allows you to prevent some biomes from being generated.    
+### delBio
+The "delBio" 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
@@ -21,3 +21,37 @@ List of applicable biomes:
 - BetterMesa
 - BetterMesaPlains
 - BetterRiver
+    
+You can use can use options like 
+```json
+{"delBio":"Ocean,BetterRiver"}
+```
+This deletes Oceans and rivers biomes
+### delStruct
+The "delStruct" options allows you to prevent some structures from being generated.    
+Please note thought that custom biomes added by some other plugins might not be prevented from being generated.    
+It's an array which structures should be separated by a comma.   
+List of applicable structures:
+- Lakes
+- Caves
+- Ravines
+- Mineshafts
+- FloatingIslands
+- Ores
+- Cactus
+- Deadbush
+- SugarCane
+- Temples
+- Wells
+- Bushes (forest ones)
+- FallenTrees
+- Trees
+- TallGrass
+- Igloos
+    
+By defaults, lakes are prevented, but you can remove this using this option. Thought use them as your own risk.    
+You can use can use options like 
+```json
+{"delStruct":"Temples,Wells"}
+```
+This will deletes Temples and wells from the desert.