diff --git a/code/datums/diseases/decloning.dm b/code/datums/diseases/decloning.dm
index 02c9ffd3ae7..d0f1220fe26 100644
--- a/code/datums/diseases/decloning.dm
+++ b/code/datums/diseases/decloning.dm
@@ -55,5 +55,5 @@
 				affected_mob.adjustCloneLoss(5)
 				affected_mob.adjustOrganLoss(ORGAN_SLOT_BRAIN, 2, 170)
 			if(affected_mob.cloneloss >= 100)
-				affected_mob.visible_message("<span class='danger'>[affected_mob] skin turns to dust!</span>", "<span class'boldwarning'>Your skin turns to dust!</span>")
+				affected_mob.visible_message("<span class='danger'>[affected_mob] skin turns to dust!</span>", "<span class='boldwarning'>Your skin turns to dust!</span>")
 				affected_mob.dust()
diff --git a/code/datums/mutations/body.dm b/code/datums/mutations/body.dm
index c0938a05dea..43d8719b76c 100644
--- a/code/datums/mutations/body.dm
+++ b/code/datums/mutations/body.dm
@@ -71,7 +71,7 @@
 	desc = "Subject is easily terrified, and may suffer from hallucinations."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='danger'>You feel screams echo through your mind...</span>"
-	text_lose_indication = "<span class'notice'>The screaming in your mind fades.</span>"
+	text_lose_indication = "<span class='notice'>The screaming in your mind fades.</span>"
 
 /datum/mutation/human/paranoia/on_life()
 	if(prob(5) && owner.stat == CONSCIOUS)
@@ -270,7 +270,7 @@
 	desc = "The user's skin will randomly combust, but is generally a lot more resilient to burning."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='warning'>You feel hot.</span>"
-	text_lose_indication = "<span class'notice'>You feel a lot cooler.</span>"
+	text_lose_indication = "<span class='notice'>You feel a lot cooler.</span>"
 	difficulty = 14
 	synchronizer_coeff = 1
 	power_coeff = 1
@@ -295,7 +295,7 @@
 	desc = "The victim of the mutation has a very weak link to spatial reality, and may be displaced. Often causes extreme nausea."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='warning'>The space around you twists sickeningly.</span>"
-	text_lose_indication = "<span class'notice'>The space around you settles back to normal.</span>"
+	text_lose_indication = "<span class='notice'>The space around you settles back to normal.</span>"
 	difficulty = 18//high so it's hard to unlock and abuse
 	instability = 10
 	synchronizer_coeff = 1
@@ -325,7 +325,7 @@
 	desc = "Subject has acidic chemicals building up underneath the skin. This is often lethal."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='userdanger'>A horrible burning sensation envelops you as your flesh turns to acid!</span>"
-	text_lose_indication = "<span class'notice'>A feeling of relief fills you as your flesh goes back to normal.</span>"
+	text_lose_indication = "<span class='notice'>A feeling of relief fills you as your flesh goes back to normal.</span>"
 	difficulty = 18//high so it's hard to unlock and use on others
 	var/msgcooldown = 0
 
@@ -367,7 +367,7 @@
 	desc = "Subject suffers from muscle spasms."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='warning'>You flinch.</span>"
-	text_lose_indication = "<span class'notice'>Your flinching subsides.</span>"
+	text_lose_indication = "<span class='notice'>Your flinching subsides.</span>"
 	difficulty = 16
 
 /datum/mutation/human/spastic/on_acquiring()
@@ -385,7 +385,7 @@
 	desc = "A mutation that replaces the right foot with another left foot. Symptoms include kissing the floor when taking a step."
 	quality = NEGATIVE
 	text_gain_indication = "<span class='warning'>Your right foot feels... left.</span>"
-	text_lose_indication = "<span class'notice'>Your right foot feels alright.</span>"
+	text_lose_indication = "<span class='notice'>Your right foot feels alright.</span>"
 	difficulty = 16
 
 /datum/mutation/human/extrastun/on_acquiring()
@@ -417,7 +417,7 @@
 	locked = TRUE
 	quality = POSITIVE //not that cloning will be an option a lot but generally lets keep this around i guess?
 	text_gain_indication = "<span class='warning'>You get an intense feeling of heartburn.</span>"
-	text_lose_indication = "<span class'notice'>Your internal organs feel at ease.</span>"
+	text_lose_indication = "<span class='notice'>Your internal organs feel at ease.</span>"
 
 /datum/mutation/human/martyrdom/on_acquiring()
 	. = ..()
diff --git a/code/game/machinery/constructable_frame.dm b/code/game/machinery/constructable_frame.dm
index 907cc984c9d..eaca2b74abb 100644
--- a/code/game/machinery/constructable_frame.dm
+++ b/code/game/machinery/constructable_frame.dm
@@ -120,7 +120,7 @@
 			if(istype(P, /obj/item/circuitboard/machine))
 				var/obj/item/circuitboard/machine/B = P
 				if(!B.build_path)
-					to_chat(user, "<span class'warning'>This circuitboard seems to be broken.</span>")
+					to_chat(user, "<span class='warning'>This circuitboard seems to be broken.</span>")
 					return
 				if(!anchored && B.needs_anchored)
 					to_chat(user, "<span class='warning'>The frame needs to be secured first!</span>")
diff --git a/code/game/objects/structures/lavaland/geyser.dm b/code/game/objects/structures/lavaland/geyser.dm
index 672fc9392a5..eb4e3b90164 100644
--- a/code/game/objects/structures/lavaland/geyser.dm
+++ b/code/game/objects/structures/lavaland/geyser.dm
@@ -35,7 +35,7 @@
 		to_chat(user, "<span class='warning'>The [P.name] isn't strong enough!</span>")
 		return
 	if(activated)
-		to_chat(user, "<span class'warning'>The [name] is already active!</span>")
+		to_chat(user, "<span class='warning'>The [name] is already active!</span>")
 		return
 
 	to_chat(user, "<span class='notice'>You start vigorously plunging [src]!</span>")