diff --git a/include/constants/pokemon.h b/include/constants/pokemon.h
index 04ba5cfd47..ce4cd0af54 100644
--- a/include/constants/pokemon.h
+++ b/include/constants/pokemon.h
@@ -289,9 +289,9 @@
 #define EVO_ITEM_HOLD                     41     // Pokémon levels up, holds specified item
 #define EVO_LEVEL_FOG                     42     // Pokémon reaches the specified level during fog in the overworld
 #define EVO_MOVE_TWO_SEGMENT              43     // Pokémon levels up, knows specified move, has a personality value with a modulus of 0
-#define EVO_MOVE_THREE_SEGMENT            44     // Pokémon levels up, knows specified move, has a personality value with a modulus of 1-9
+#define EVO_MOVE_THREE_SEGMENT            44     // Pokémon levels up, knows specified move, has a personality value with a modulus of 1-99
 #define EVO_LEVEL_FAMILY_OF_THREE         45     // Pokémon reaches the specified level with a personality value with a modulus of 0
-#define EVO_LEVEL_FAMILY_OF_FOUR          46     // Pokémon reaches the specified level with a personality value with a modulus of 1-9
+#define EVO_LEVEL_FAMILY_OF_FOUR          46     // Pokémon reaches the specified level with a personality value with a modulus of 1-99
 
 #define EVOS_PER_MON 11
 
diff --git a/src/data/pokemon/evolution.h b/src/data/pokemon/evolution.h
index 119450341f..43c08fcfa9 100644
--- a/src/data/pokemon/evolution.h
+++ b/src/data/pokemon/evolution.h
@@ -204,7 +204,7 @@ const struct Evolution gEvolutionTable[NUM_SPECIES][EVOS_PER_MON] =
     [SPECIES_PORYGON2]              = {{EVO_TRADE_ITEM, ITEM_DUBIOUS_DISC, SPECIES_PORYGON_Z},
                                        {EVO_ITEM, ITEM_DUBIOUS_DISC, SPECIES_PORYGON_Z}},
 #endif
-#if P_GEN_9_POKEMON == TRUE
+#if P_GEN_8_POKEMON == TRUE
     [SPECIES_STANTLER]              = {{EVO_MOVE, MOVE_PSYSHIELD_BASH, SPECIES_WYRDEER}},
 #endif
     [SPECIES_TYROGUE]               = {{EVO_LEVEL_ATK_LT_DEF, 20, SPECIES_HITMONCHAN},