diff --git a/pokedex/data/csv/move_flag_prose.csv b/pokedex/data/csv/move_flag_prose.csv
index f9ee03a..8a2504a 100644
--- a/pokedex/data/csv/move_flag_prose.csv
+++ b/pokedex/data/csv/move_flag_prose.csv
@@ -13,7 +13,7 @@ move_flag_id,local_language_id,name,description
 12,9,Targets opposite side in triples,"In triple battles, this move can be used on either side to target the farthest away opposing Pokémon."
 13,9,Heals,This move is blocked by []{move:heal-block}.
 14,9,Ignores Substitute,This move ignores the target's []{move:substitute}.
-15,9,Powder-based,This move has no effect on []{type:grass}-type Pokémon.
+15,9,Powder-based,Pokémon with []{ability:overcoat} and []{type:grass}-type Pokémon are immune to this move.
 16,9,Jaw-based,This move has 1.5× its usual power when used by a Pokémon with []{ability:strong-jaw}.
 17,9,Pulse-based,This move has 1.5× its usual power when used by a Pokémon with []{ability:mega-launcher}.
 18,9,Ballistics-based,This move is blocked by []{ability:bulletpoof}.