Spelling and Grammar Fixes (#86022)

## About The Pull Request
Fixes several errors to spelling, grammar, and punctuation.
## Why It's Good For The Game
## Changelog
🆑
spellcheck: fixed a few typos
/🆑

code/datums/status_effects/debuffs/debuffs.dm

@@ -1,11 +1,11 @@
 /// The damage healed per tick while sleeping without any modifiers
 #define HEALING_SLEEP_DEFAULT 0.2
-/// The sleep healing multipler for organ passive healing (since organs heal slowly)
+/// The sleep healing multiplier for organ passive healing (since organs heal slowly)
 #define HEALING_SLEEP_ORGAN_MULTIPLIER 5
-/// The sleep multipler for fitness xp conversion
+/// The sleep multiplier for fitness xp conversion
 #define SLEEP_QUALITY_WORKOUT_MULTIPLER 10
 
-//Largely negative status effects go here, even if they have small benificial effects
+//Largely negative status effects go here, even if they have small beneficial effects
 //STUN EFFECTS
 /datum/status_effect/incapacitating
 	tick_interval = -1
@@ -732,7 +732,7 @@
 	status_type = STATUS_EFFECT_REPLACE
 	tick_interval = 0.2 SECONDS
 	alert_type = null
-	var/msg_stage = 0//so you dont get the most intense messages immediately
+	var/msg_stage = 0//so you don't get the most intense messages immediately
 
 /datum/status_effect/fake_virus/on_apply()
 	if(HAS_TRAIT(owner, TRAIT_VIRUSIMMUNE))

code/datums/status_effects/debuffs/slime/slime_leech.dm

@@ -66,7 +66,7 @@
 		if(need_mob_update)
 			owner.updatehealth()
 
-	if(totaldamage >= 0) // AdjustBruteLoss returns a negative value on succesful damage adjustment
+	if(totaldamage >= 0) // AdjustBruteLoss returns a negative value on successful damage adjustment
 		our_slime.balloon_alert(our_slime, "not food!")
 		our_slime.stop_feeding()
 		return

code/datums/status_effects/drug_effects.dm

@@ -52,7 +52,7 @@
 	owner.set_jitter_if_lower(100 SECONDS)
 	owner.Paralyze(duration)
 	owner.visible_message(span_warning("[owner] drops to the ground as [owner.p_they()] start seizing up."), \
-	span_warning("[pick("You can't collect your thoughts...", "You suddenly feel extremely dizzy...", "You cant think straight...","You can't move your face properly anymore...")]"))
+	span_warning("[pick("You can't collect your thoughts...", "You suddenly feel extremely dizzy...", "You can't think straight...","You can't move your face properly anymore...")]"))
 	return TRUE
 
 /atom/movable/screen/alert/status_effect/seizure

code/datums/status_effects/stacking_effect.dm

@@ -8,7 +8,7 @@
 	/// How many stacks are currently accumulated.
 	/// Also, the default stacks number given on application.
 	var/stacks = 0
-	// Deciseconds until ticks start occuring, which removes stacks
+	// Deciseconds until ticks start occurring, which removes stacks
 	/// (first stack will be removed at this time plus tick_interval)
 	var/delay_before_decay
 	/// How many stacks are lost per tick (decay trigger)
@@ -31,11 +31,11 @@
 	/// Put the state name without the number in these state vars
 	var/overlay_state
 	/// Icon state for underlays applied when the status effect is applied
-	/// The number is concatonated onto the string based on the number of stacks to get the correct state name.
+	/// The number is concatenated onto the string based on the number of stacks to get the correct state name.
 	var/underlay_state
 	/// A reference to our overlay appearance
 	var/mutable_appearance/status_overlay
-	/// A referenceto our underlay appearance
+	/// A reference to our underlay appearance
 	var/mutable_appearance/status_underlay
 
 /// Effects that occur when the stack count crosses stack_threshold
@@ -90,7 +90,7 @@
 	owner.underlays -= status_underlay
 	stacks += stacks_added
 	if(stacks > 0)
-		if(stacks >= stack_threshold && !threshold_crossed) //threshold_crossed check prevents threshold effect from occuring if changing from above threshold to still above threshold
+		if(stacks >= stack_threshold && !threshold_crossed) //threshold_crossed check prevents threshold effect from occurring if changing from above threshold to still above threshold
 			threshold_crossed = TRUE
 			on_threshold_cross()
 			if(consumed_on_threshold)