Clean up pokemon/ball/dex mentions in comments

src/overworld.c

@@ -1297,7 +1297,7 @@ void UpdateAmbientCry(s16 *state, u16 *delayCounter)
             }
         }
         // Ambient cries after the first one take between 1200-2399 frames (~20-40 seconds)
-        // If the player has a pokemon with the ability Swarm in their party, the time is halved to 600-1199 frames (~10-20 seconds)
+        // If the player has a Pokémon with the ability Swarm in their party, the time is halved to 600-1199 frames (~10-20 seconds)
         *delayCounter = ((Random() % 1200) + 1200) / divBy;
         *state = AMB_CRY_WAIT;
         break;
@@ -1309,7 +1309,7 @@ void UpdateAmbientCry(s16 *state, u16 *delayCounter)
         }
         break;
     case AMB_CRY_IDLE:
-        // No land/water pokemon on this map
+        // No land/water Pokémon on this map
         break;
     }
 }
@@ -1320,7 +1320,7 @@ static void ChooseAmbientCrySpecies(void)
      && gSaveBlock1Ptr->location.mapNum == MAP_NUM(ROUTE130))
      && !IsMirageIslandPresent())
     {
-        // Only play water pokemon cries on this route
+        // Only play water Pokémon cries on this route
         // when Mirage Island is not present
         sIsAmbientCryWaterMon = TRUE;
         sAmbientCrySpecies = GetLocalWaterMon();