diff --git a/gamedir/Data-1.13/TableData/Inventory/IMPItemChoices.xml b/gamedir/Data-1.13/TableData/Inventory/IMPItemChoices.xml
index 373660e84..3eb3d0f5b 100644
--- a/gamedir/Data-1.13/TableData/Inventory/IMPItemChoices.xml
+++ b/gamedir/Data-1.13/TableData/Inventory/IMPItemChoices.xml
@@ -1235,7 +1235,7 @@
 	<IMPITEMCHOICES>
 		<uiIndex>22</uiIndex>
 		<name>Melee</name>
-		<ubChoices>9</ubChoices>
+		<ubChoices>10</ubChoices>
 		<ubNumItems>1</ubNumItems>
 		<bItemNo1>37</bItemNo1>
 		<bItemNo2>37</bItemNo2>
@@ -1246,7 +1246,7 @@
 		<bItemNo7>300</bItemNo7>
 		<bItemNo8>300</bItemNo8>
 		<bItemNo9>595</bItemNo9>
-		<bItemNo10>0</bItemNo10>
+		<bItemNo10>1055</bItemNo10>
 		<bItemNo11>0</bItemNo11>
 		<bItemNo12>0</bItemNo12>
 		<bItemNo13>0</bItemNo13>
diff --git a/gamedir/Data-1.13/TableData/Items/AmmoTypes.xml b/gamedir/Data-1.13/TableData/Items/AmmoTypes.xml
index b14097758..e3770778a 100644
--- a/gamedir/Data-1.13/TableData/Items/AmmoTypes.xml
+++ b/gamedir/Data-1.13/TableData/Items/AmmoTypes.xml
@@ -1,4 +1,56 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!---
+	This xml defines the properties of different ammo types. 
+	
+	<uiIndex>			ammotype number. Referred to with <ubAmmoType> in Magazines.xml
+	<fontColour>		Colour used when displaying ammo count, taken from FONTS\\TINYFONT1.sti
+	
+	<grayed>			determines what picture to use for the ammo button (no, this doesn't make a lot of sense)
+	<offNormal>
+	<onNormal>
+	<structureImpactReductionMultiplier> / <structureImpactReductionDivisor>
+						modifies how much bullet damage is reduced when hitting a structure.
+						
+	<armourImpactReductionMultiplier> / <armourImpactReductionDivisor>
+						modifies protection value of body armour we hit with the bullet
+						
+	<beforeArmourDamageMultiplier> / <beforeArmourDamageDivisor>
+						modifies damage before armour is hit. Is only used if <highExplosive> is > 0
+	
+	<afterArmourDamageMultiplier> / <afterArmourDamageDivisor>
+						modifies damage after armour is hit. Not used against armed vehicles.
+						
+	<zeroMinimumDamage>	0/1 setting. If set to 1, bullet damage can be 0.
+	<canGoThrough>		0/1 setting. If set to 1, person hit is not a vehicle and gun isn't a rocket launcher or cannon, the bullet has a chance to continue flying
+	<standardIssue>		0/1 setting. If set to 1, magazines  of this ammo are considered when determining ammo for the AI inventory.
+	<numberOfBullets>	number of projectiles fired per shot. If > 1, this is considered buckshot
+	
+	<multipleBulletDamageMultiplier> / <multipleBulletDamageDivisor>
+						modifies damage immediately when fired if > 1 projectile is fired per bullet
+						
+	<highExplosive>		number of explosive item used when exploding
+	<explosionSize>		explosion size: 0=none, 1=small, 2=medium, 3=large
+	<dart>				0/1 setting. If set to 1, damage dealt > 0, target is not an armed vehicle and is hit very accurate, target might be put to sleep.
+	<knife>				0/1 setting. If set to 1, target is seen by shooter, bullet is not a fragment, and this is a stealth attack, chance to instakill the target
+	<monsterSpit>		bullet gets increased damage according to creature gas items, can blind targets, damage head gear and spawn creature gas
+	<acidic>			0/1 setting. If set to 1, armour is destroyed 4 times as fast
+	<ignoreArmour>		0/1 setting. If set to 1, torso and leg armour is ignored
+	<lockBustingPower>	extra damage done to locks
+	<tracerEffect>		0/1 setting. If set to 1, bullets can be tracers. Flash suppressors don't work, not selected on AI single shot guns.
+	<spreadPattern />	spread pattern used from SpreadPatterns.xml
+	<temperatureModificator>	additive modifier for temperature generation. 1.0 means +100%
+	<dirtModificator>			additive modifier for dirt generation. 1.0 means +100%
+	<ammoflag>			flagmask for various ammo properties:
+							AMMO_CRYO			1			this ammo shock-freezes target (scifi)
+							AMMO_BLIND			2			this ammo will blind if it hits the head
+							AMMO_ANTIMATERIEL	4			this ammo is anti-materiel, bullets can destroy structures
+	<dDamageModifierLife>					multiplier for damage to health
+	<dDamageModifierBreath>					multiplier for damage to breath
+	<dDamageModifierTank>					additional multiplier for damage to health if target is a tank
+	<dDamageModifierArmouredVehicle>		additional multiplier for damage to health if target is not a tank but armed vehicle or robot
+	<dDamageModifierCivilianVehicle>		additional multiplier for damage to health if target is unarmed vehicle
+	<dDamageModifierZombie>					additional multiplier for damage to health if target is zombie
+-->	
 <AMMOTYPELIST>
 	<AMMOTYPE>
 		<uiIndex>0</uiIndex>