Update tutorial.md

respecitvely -> respectively

tutorial.md

@@ -8,7 +8,7 @@ The player can move in the four cardinal directions using WASD and can interact
 Interacting can cause the player to attempt to mine (a block), attack (a creature), drink (water or from a fountain), eat (fruit) or open a chest.
 
 The player has 5 'intrinsics': health, hunger, thirst, energy and mana (magical energy).
-Hunger, thirst and energy will naturally decrease and must be replenished by eating, drinking and sleeping respecitvely.
+Hunger, thirst and energy will naturally decrease and must be replenished by eating, drinking and sleeping respectively.
 Mana is used for casting spells or enchanting items and will naturally recover.
 Health will recover when hunger, thirst and energy are non-zero and will decrease if any of these are 0.
 If the players health falls beneath 0 they will die and the game will restart.
@@ -118,4 +118,4 @@ The necromancer will summon waves of enemies from the graves.
 Once the player has defeated a wave of enemies the necromancer will enter his 'vulnerable' state, at which point the player can attack him.
 Doing so will trigger the next wave of enemies.
 Each wave of enemies corresponds to the creatures from a particular floor of the game.
-Once the final wave (the ice realm wave) has been defeated the player can attack the necromancer and win the game!
+Once the final wave (the ice realm wave) has been defeated the player can attack the necromancer and win the game!