diff --git a/forge-gui/res/cardsfolder/c/caves_of_koilos.txt b/forge-gui/res/cardsfolder/c/caves_of_koilos.txt
index bb80efc3153..c2eb932d68c 100644
--- a/forge-gui/res/cardsfolder/c/caves_of_koilos.txt
+++ b/forge-gui/res/cardsfolder/c/caves_of_koilos.txt
@@ -2,6 +2,6 @@ Name:Caves of Koilos
 ManaCost:no cost
 Types:Land
 A:AB$ Mana | Cost$ T | Produced$ C | SpellDescription$ Add {C}.
-A:AB$ Mana | Cost$ T | Produced$ Combo W B | SubAbility$ DBPain | SpellDescription$ Add {W} or {R}. CARDNAME deals 1 damage to you.
+A:AB$ Mana | Cost$ T | Produced$ Combo W B | SubAbility$ DBPain | SpellDescription$ Add {W} or {B}. CARDNAME deals 1 damage to you.
 SVar:DBPain:DB$ DealDamage | NumDmg$ 1 | Defined$ You
 Oracle:{T}: Add {C}.\n{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.