diff --git a/engine/match.go b/engine/match.go
index 267cc8e..3397f5d 100644
--- a/engine/match.go
+++ b/engine/match.go
@@ -350,15 +350,15 @@ func (mr *MatchRunner) generateMap(gs *GameState, numPlayers int) {
 	// Zone parameters: starts at turn 10, shrinks 2 tiles/turn, min radius 2 (2-player)
 	// By turn 19, zone reaches min radius of 2 (6-tile diameter, ≤2×attack radius).
 	//
-		// Spawn radius as percentage of grid half-size:
-		// - 2-player: 20% (~4 tiles from center on 40x40 grid, ~8 tiles apart)
-		//   Zone starts at turn 10 with radius = maxDist + 5, then shrinks 2 tiles/turn.
-		//   At 20% spawn radius (dist 4), zone starts at radius 9, shrinks to 5 by turn 12.
-		//   Strategy bots (gatherer, rusher) move toward center, reaching attack range (5 tiles)
-		//   within 2-5 turns, ensuring combat before zone kills them. Random bots may die
-		//   from zone if they don't engage. This achieves >65% combat density target.
-		// - 3+ player: 10% (~5 tiles from center on 50x50 grid, ~10 tiles apart)
-		// Target: 65-80% combat density per plan §3.7.1.
+	// Spawn radius as percentage of grid half-size:
+	// - 2-player: 20% (~4 tiles from center on 40x40 grid, ~8 tiles apart)
+	//   Zone starts at turn 10 with radius = maxDist + 5, then shrinks 2 tiles/turn.
+	//   At 20% spawn radius (dist 4), zone starts at radius 9, shrinks to 5 by turn 12.
+	//   Strategy bots (gatherer, rusher) move toward center, reaching attack range (5 tiles)
+	//   within 2-5 turns, ensuring combat before zone kills them. Random bots may die
+	//   from zone if they don't engage. This achieves >65% combat density target.
+	// - 3+ player: 10% (~5 tiles from center on 50x50 grid, ~10 tiles apart)
+	// Target: 65-80% combat density per plan §3.7.1.
 	halfRows := float64(centerRow)
 	halfCols := float64(centerCol)