diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 47a373f477..6306ca687c 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -150,7 +150,7 @@
 #define B_KINGS_SHIELD_LOWER_ATK    GEN_7 // In Gen7+, it lowers Atk by 1 stage instead of 2 of oponents that hit it.
 #define B_SPEED_BUFFING_RAPID_SPIN  GEN_8 // In Gen8, Rapid Spin raises the user's Speed by 1 stage.
 #define B_RECOIL_IF_MISS_DMG        GEN_7 // In Gen5+, Jump Kick and High Jump Kick will always do half of the user's max HP when missing.
-#define B_UPDATED_CONVERSION        GEN_7 // In Gen6+, Conversion changes the user's type to match their first move's.
+#define B_UPDATED_CONVERSION        GEN_7 // In Gen6+, Conversion changes the user's type to match their first move's. Before, it would choose a move at random.
 
 // Move accuracy settings
 #define B_TOXIC_NEVER_MISS          GEN_7 // In Gen6+, if Toxic is used by a Poison-type Pokémon, it will never miss.