diff --git a/docs/superpowers/plans/2026-07-08-grid-trading-phase-1.md b/docs/superpowers/plans/2026-07-08-grid-trading-phase-1.md
index a8fdde5..96c3476 100644
--- a/docs/superpowers/plans/2026-07-08-grid-trading-phase-1.md
+++ b/docs/superpowers/plans/2026-07-08-grid-trading-phase-1.md
@@ -88,7 +88,7 @@ Cover these exact scenarios:
 def test_buy_sell_grid_profit_and_breakeven():
     # Buy 100 grid shares at 10 with 1 fee, sell 100 at 11 with 1 fee,
     # then buy 100 base shares at 9 with 1 fee. Grid profit is 98.
-    # Position cost is 901, position breakeven is 8.03, account breakeven is 9.01.
+    # Position cost is 901, position breakeven is 8.03, account breakeven is 8.03.
 ```
 
 ```python