diff --git a/gamedir/Data-1.13/Ja2_Options.INI b/gamedir/Data-1.13/Ja2_Options.INI
index 4049912d4..a6ce57e62 100644
--- a/gamedir/Data-1.13/Ja2_Options.INI
+++ b/gamedir/Data-1.13/Ja2_Options.INI
@@ -109,11 +109,21 @@ MAX_NUMBER_CIVS_IN_TACTICAL = 32
MAX_STRATEGIC_ENEMY_GROUP_SIZE = 20
-; TODO: Property descriptions by JMich
+;------------------------------------------------------------------------------------------------------------------------------
+; MAX_ITEM_SIZE is the maximum item size you can use in the game. It is possible, with enough attachments that lower a weapon
+; size to change the weapon size to a huge number, since 0-1 = 255. If any item with a size between 0 and MAX_WEAPON_SIZE
+; is adjusted to a number bigger than MAX_ITEM_NUMBER, the item size will be 0. If the adjusted number is greater than
+; MAX_WEAPON_SIZE but bigger than MAX_ITEM_NUMBER, MAX_WEAPON_SIZE will be set. Values 0-250, default is 34.
+; MAX_WEAPON_SIZE is the maximum item size you want to use for weapons. All weapons will be between size 0 and MAX_WEAPON_SIZE
+; regardless of attachments. Values 0-100, default is 9
+; OLD_INVENTORY_ITEM_NUMBER is used for items that will not appear in NIV. Values 0-255, default is 99.
+;------------------------------------------------------------------------------------------------------------------------------
+
MAX_ITEM_SIZE = 34
MAX_WEAPON_SIZE = 9
OLD_INVENTORY_ITEM_NUMBER = 99
+
;******************************************************************************************************************************
;******************************************************************************************************************************
diff --git a/gamedir/Data/Ja2_Options.INI b/gamedir/Data/Ja2_Options.INI
index 7eb2b4667..62407e31d 100644
--- a/gamedir/Data/Ja2_Options.INI
+++ b/gamedir/Data/Ja2_Options.INI
@@ -108,7 +108,16 @@ MAX_NUMBER_CIVS_IN_TACTICAL = 32
MAX_STRATEGIC_ENEMY_GROUP_SIZE = 20
-; TODO: Property descriptions by JMich
+;------------------------------------------------------------------------------------------------------------------------------
+; MAX_ITEM_SIZE is the maximum item size you can use in the game. It is possible, with enough attachments that lower a weapon
+; size to change the weapon size to a huge number, since 0-1 = 255. If any item with a size between 0 and MAX_WEAPON_SIZE
+; is adjusted to a number bigger than MAX_ITEM_NUMBER, the item size will be 0. If the adjusted number is greater than
+; MAX_WEAPON_SIZE but bigger than MAX_ITEM_NUMBER, MAX_WEAPON_SIZE will be set. Values 0-250, default is 34.
+; MAX_WEAPON_SIZE is the maximum item size you want to use for weapons. All weapons will be between size 0 and MAX_WEAPON_SIZE
+; regardless of attachments. Values 0-100, default is 9
+; OLD_INVENTORY_ITEM_NUMBER is used for items that will not appear in NIV. Values 0-255, default is 99.
+;------------------------------------------------------------------------------------------------------------------------------
+
MAX_ITEM_SIZE = 34
MAX_WEAPON_SIZE = 9
OLD_INVENTORY_ITEM_NUMBER = 99
diff --git a/gamedir/INIEditorJA2Options.xml b/gamedir/INIEditorJA2Options.xml
index 547c0e89e..b1a7bbd32 100644
--- a/gamedir/INIEditorJA2Options.xml
+++ b/gamedir/INIEditorJA2Options.xml
@@ -84,6 +84,31 @@ Please note that if reinforcements are allowed (ALLOW_REINFORCEMENTS=TRUE), seve
注意不要将***MAX_STRATEGIC_ENEMY_GROUP_SIZE***值设置低于20。
这个用来调整在战略界面上行动的单个敌人团队的人数。
请注意如果允许跨地图支援（ALLOW_REINFORCEMENTS=TRUE），几个这样的团可以集结在一起攻击。然而，战斗后他们会很快分散开来，以保证单个团队人数不会过多。
+
+
+ This is the maximum item size you can use in the game. It is possible, with enough attachments that lower a weapon size to change the weapon size to a huge number, since 0-1 = 255.
+If any item with a size between 0 and MAX_WEAPON_SIZE s adjusted to a number bigger than MAX_ITEM_NUMBER, the item size will be 0. If the adjusted number is greater than MAX_WEAPON_SIZE but bigger than MAX_ITEM_NUMBER, MAX_WEAPON_SIZE will be set.
+Values 0-250, default is 34.
+
+
+
+
+
+
+ This is the maximum item size you want to use for weapons. All weapons will be between size 0 and MAX_WEAPON_SIZE regardless of attachments.
+Values 0-100, default is 9.
+
+
+
+
+
+
+ This is used for items that will not appear in NIV.
+Values 0-255, default is 99.
+
+
+
+