and that just leaves the modules folder

code/datums/mutations/body.dm

@@ -11,7 +11,7 @@
 		owner.visible_message("<span class='danger'>[owner] starts having a seizure!</span>", "<span class='userdanger'>You have a seizure!</span>")
 		owner.Unconscious(200)
 		owner.Jitter(1000)
-		owner.SendSignal(COMSIG_ADD_MOOD_EVENT, "epilepsy", /datum/mood_event/epilepsy)
+		SEND_SIGNAL(owner, COMSIG_ADD_MOOD_EVENT, "epilepsy", /datum/mood_event/epilepsy)
 		addtimer(CALLBACK(src, .proc/jitter_less, owner), 90)
 
 /datum/mutation/human/epilepsy/proc/jitter_less(mob/living/carbon/human/owner)
@@ -96,7 +96,7 @@
 
 //Tourettes causes you to randomly stand in place and shout.
 /datum/mutation/human/tourettes
-	name = "Tourettes Syndrome"
+	name = "Tourette's Syndrome"
 	quality = NEGATIVE
 	text_gain_indication = "<span class='danger'>You twitch.</span>"
 

code/datums/mutations/hulk.dm

@@ -14,7 +14,7 @@
 	owner.add_trait(TRAIT_STUNIMMUNE, TRAIT_HULK)
 	owner.add_trait(TRAIT_PUSHIMMUNE, TRAIT_HULK)
 	owner.update_body_parts()
-	owner.SendSignal(COMSIG_ADD_MOOD_EVENT, "hulk", /datum/mood_event/hulk)
+	SEND_SIGNAL(owner, COMSIG_ADD_MOOD_EVENT, "hulk", /datum/mood_event/hulk)
 
 /datum/mutation/human/hulk/on_attack_hand(mob/living/carbon/human/owner, atom/target, proximity)
 	if(proximity) //no telekinetic hulk attack
@@ -31,7 +31,7 @@
 	owner.remove_trait(TRAIT_STUNIMMUNE, TRAIT_HULK)
 	owner.remove_trait(TRAIT_PUSHIMMUNE, TRAIT_HULK)
 	owner.update_body_parts()
-	owner.SendSignal(COMSIG_CLEAR_MOOD_EVENT, "hulk")
+	SEND_SIGNAL(owner, COMSIG_CLEAR_MOOD_EVENT, "hulk")
 
 /datum/mutation/human/hulk/say_mod(message)
 	if(message)

code/datums/mutations/sight.dm

@@ -32,7 +32,7 @@
 	owner.cure_blind(GENETIC_MUTATION)
 
 
-//X-Ray Vision lets you see through walls.
+//X-ray Vision lets you see through walls.
 /datum/mutation/human/x_ray
 	name = "X Ray Vision"
 	quality = POSITIVE