Update README.md

Added command

README.md

@@ -13,6 +13,10 @@ Add-on for BentoBox to calculate island levels for AOneBlock specifically. Ranks
 4. Edit the config.yml how you want.
 5. Restart the server if you make a change
 
+## Commands
+
+`/ob topblock` - this shows the Top Ten
+
 ## Permissions
 Permissions are given automatically to players as listed below. If your permissions plugin strips permissions then you may have to allocate these manually. Note that if a player doesn't have the `intopten` permission, they will not be listed in the top ten.
 
@@ -35,4 +39,4 @@ permissions:
 %aoneblock_island_phase_number_top_RANK% where RANK is 1 to 10 - Phase number, e.g. Plains is 1, Underground is 2, etc.
 %aoneblock_island_count_top_RANK% where RANK is 1 to 10 - Block Count of magic blocks mined this round
 %aoneblock_island_lifetime_top_RANK% where RANK is 1 to 10 - Lifetime count of magic blocks mined
-```
+```