diff --git a/RULESET.md b/RULESET.md
index f0daf2b..8f5c564 100644
--- a/RULESET.md
+++ b/RULESET.md
@@ -13,7 +13,7 @@
 
 ### Quadrants
 - Empty - 30% chance
-- Asteroid belt - 10% chance
+- Asteroid field - 10% chance
 - Star system - 10% chance
 - Nebula - 10% chance
 - Black hole - 10% chance