Atmos grammar fixes (#53628)

Some grammar/spelling changes in the descriptions of recent atmos additions.

code/game/objects/items/fireaxe.dm

@@ -81,7 +81,7 @@
 /obj/item/fireaxe/metal_h2_axe  // Blatant imitation of the fireaxe, but made out of metallic hydrogen
 	icon_state = "metalh2_axe0"
 	name = "metallic hydrogen axe"
-	desc = "A large, menacing axe made of an unkown substance that the most elder atmosians calls Metallic Hydrogen. Truly an otherwordly weapon."
+	desc = "A large, menacing axe made of an unknown substance that the eldest atmosians call Metallic Hydrogen. Truly an otherworldly weapon."
 
 /obj/item/fireaxe/metal_h2_axe/ComponentInitialize()
 	. = ..()

code/modules/atmospherics/machinery/portable/canister.dm

@@ -177,7 +177,7 @@
 
 /obj/machinery/portable_atmospherics/canister/miasma
 	name = "Miasma canister"
-	desc = "Miasma. Makes you wish your nose were blocked."
+	desc = "Miasma. Makes you wish your nose was blocked."
 	icon_state = "miasma"
 	base_icon_state = "miasma"
 	gas_type = /datum/gas/miasma
@@ -209,7 +209,7 @@
 
 /obj/machinery/portable_atmospherics/canister/proto_nitrate
 	name = "Proto Nitrate canister"
-	desc = "Proto Nitrate, react differently with various gases"
+	desc = "Proto Nitrate, reacts differently with various gases"
 	icon_state = "proto_nitrate"
 	base_icon_state = "proto_nitrate"
 	gas_type = /datum/gas/proto_nitrate
@@ -225,7 +225,7 @@
 
 /obj/machinery/portable_atmospherics/canister/halon
 	name = "Halon canister"
-	desc = "Halon, remove oxygen from high temperature fires and cool down the area"
+	desc = "Halon, removes oxygen from high temperature fires and cools down the area"
 	icon_state = "halon"
 	base_icon_state = "halon"
 	gas_type = /datum/gas/halon
@@ -233,7 +233,7 @@
 
 /obj/machinery/portable_atmospherics/canister/hexane
 	name = "Hexane canister"
-	desc = "hexane, highly flammable"
+	desc = "Hexane, useful for removing contaminants."
 	icon_state = "hexane"
 	base_icon_state = "hexane"
 	gas_type = /datum/gas/hexane

code/modules/cargo/bounties/engineering.dm

@@ -36,7 +36,7 @@
 
 /datum/bounty/item/engineering/gas/cyrion_b_tank
 	name = "Full Tank of Cyrion-B"
-	description = "The main planet of \[REDACTED] has been chosen as testing grounds for the new weapon that uses the Cyrion-B gas. Ship us a tank full of it. (20 Moles)"
+	description = "The main planet of \[REDACTED] has been chosen as testing grounds for the new weapon that uses Cyrion-B gas. Ship us a tank full of it. (20 Moles)"
 	reward = 10000
 	gas_type = /datum/gas/cyrion_b
 

code/modules/clothing/head/helmet.dm

@@ -372,7 +372,7 @@
 
 /obj/item/clothing/head/helmet/elder_atmosian
 	name = "Elder Atmosian Helmet"
-	desc = "A superb helmet made with the thoughest and rarest materials avaiable to man."
+	desc = "A superb helmet made with the toughest and rarest materials available to man."
 	icon_state = "knight_greyscale"
 	inhand_icon_state = "knight_greyscale"
 	armor = list(MELEE = 15, BULLET = 10, LASER = 30, ENERGY = 30, BOMB = 10, BIO = 10, RAD = 20, FIRE = 65, ACID = 40, WOUND = 15)

code/modules/clothing/suits/armor.dm

@@ -290,7 +290,7 @@
 
 /obj/item/clothing/suit/armor/elder_atmosian
 	name = "Elder Atmosian Armor"
-	desc = "A superb armor made with the thoughest and rarest materials avaiable to man."
+	desc = "A superb armor made with the toughest and rarest materials available to man."
 	icon_state = "knight_grey"
 	inhand_icon_state = "knight_greyscale"
 	material_flags = MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS//Can change color and add prefix

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -1331,7 +1331,7 @@
 
 /datum/reagent/freon
 	name = "Freon"
-	description = "A powerful heat adsorbant."
+	description = "A powerful heat absorbent."
 	reagent_state = GAS
 	metabolization_rate = REAGENTS_METABOLISM * 0.5 // Because stimulum/nitryl/freon/hypernoblium are handled through gas breathing, metabolism must be lower for breathcode to keep up
 	color = "90560B"
@@ -1347,7 +1347,7 @@
 
 /datum/reagent/hypernoblium
 	name = "Hyper-Noblium"
-	description = "A suppresive gas that stops gas reactions on those who inhale it."
+	description = "A suppressive gas that stops gas reactions on those who inhale it."
 	reagent_state = GAS
 	metabolization_rate = REAGENTS_METABOLISM * 0.5 // Because stimulum/nitryl/freon/hyper-nob are handled through gas breathing, metabolism must be lower for breathcode to keep up
 	color = "90560B"
@@ -1365,7 +1365,7 @@
 
 /datum/reagent/healium
 	name = "Healium"
-	description = "A Powerful sleeping agent with healing properties"
+	description = "A powerful sleeping agent with healing properties"
 	reagent_state = GAS
 	metabolization_rate = REAGENTS_METABOLISM * 0.5
 	color = "90560B"
@@ -1381,7 +1381,7 @@
 
 /datum/reagent/halon
 	name = "Halon"
-	description = "A firefighter gas that remove oxygen and cool down the area"
+	description = "A fire suppression gas that removes oxygen and cools down the area"
 	reagent_state = GAS
 	metabolization_rate = REAGENTS_METABOLISM * 0.5
 	color = "90560B"