diff --git a/Resources/Prototypes/Research/arsenal.yml b/Resources/Prototypes/Research/arsenal.yml
index d701f46a25f..7b7b9d279d1 100644
--- a/Resources/Prototypes/Research/arsenal.yml
+++ b/Resources/Prototypes/Research/arsenal.yml
@@ -21,7 +21,7 @@
     sprite: Objects/Weapons/Guns/Ammunition/Boxes/pistol.rsi
     state: incendiarydisplay
   discipline: Arsenal
-  tier: 2 #Delta-V moved to t2
+  tier: 2 #Delta-V moved to t2 from t1
   cost: 10000
   recipeUnlocks:
   - BoxShotgunIncendiary
@@ -82,7 +82,7 @@
     sprite: Objects/Materials/Sheets/other.rsi
     state: uranium
   discipline: Arsenal
-  tier: 2 #Delta-V moved to t2
+  tier: 2 #Delta-V moved to t2 from t1
   cost: 7500
   recipeUnlocks:
   - MagazineRifleUranium
@@ -157,22 +157,23 @@
     state: icon
   discipline: Arsenal
   tier: 2
-  cost: 12500 #Delta-V increased from 10000
+  cost: 12500 # DeltaV: increased from 10000
   recipeUnlocks:
   - WeaponLaserCannon
   - WeaponXrayCannon
 
-#- type: technology Delta-V merged with concentrated laser weaponry
- # id: WaveParticleHarnessing
+# DeltaV: merged with concentrated laser weaponry
+#- type: technology
+#  id: WaveParticleHarnessing
 #  name: research-technology-wave-particle-harnessing
- # icon:
-  #  sprite: Objects/Weapons/Guns/Battery/xray.rsi
-  #  state: icon
- # discipline: Arsenal
- # tier: 2
- # cost: 10000
- # recipeUnlocks:
- # - WeaponXrayCannon
+#  icon:
+#    sprite: Objects/Weapons/Guns/Battery/xray.rsi
+#    state: icon
+#  discipline: Arsenal
+#  tier: 2
+#  cost: 10000
+#  recipeUnlocks:
+#  - WeaponXrayCannon
 
 - type: technology
   id: BasicShuttleArmament
@@ -181,7 +182,7 @@
     sprite: Structures/Power/cage_recharger.rsi
     state: full
   discipline: Arsenal
-  tier: 1 #Delta-V moved to T1
+  tier: 1 # DeltaV: moved to T1 from t2
   cost: 10500
   recipeUnlocks:
   - PowerCageRechargerCircuitboard
@@ -218,7 +219,7 @@
     sprite: Objects/Weapons/Guns/Battery/svalinn.rsi
     state: icon
   discipline: Arsenal
-  tier: 2 #Delta-V moved to t2
+  tier: 2 # DeltaV: moved to t2 from t3
   cost: 15000
   recipeUnlocks:
   - WeaponLaserSvalinn
@@ -230,7 +231,7 @@
     sprite: Objects/Weapons/Guns/Ammunition/Magazine/Grenade/grenade_cartridge.rsi
     state: icon
   discipline: Arsenal
-  tier: 2 #Delta-V moved to t2
+  tier: 2 # DeltaV: moved to t2 from t3
   cost: 15000
   recipeUnlocks:
   - GrenadeEMP