diff --git a/gamedir/Data-1.13/Ja2_Options.INI b/gamedir/Data-1.13/Ja2_Options.INI
index 3509628d3..97ece21c0 100644
--- a/gamedir/Data-1.13/Ja2_Options.INI
+++ b/gamedir/Data-1.13/Ja2_Options.INI
@@ -2398,7 +2398,12 @@ ENABLE_ALL_TERRORISTS = TRUE
 
 ENABLE_ALL_WEAPON_CACHES = FALSE
 
-; force preplaced map items to disappear, regardless of original existance chance (0 = off, 100 = always appear)
+;******************************************************************************************************************************
+; Override each map's percent likelihood of an item appearing.
+; Valid range = 0-100, where 0 uses the map values.
+; (Mainly for modders, can possibly take the fun out of the game)
+;******************************************************************************************************************************
+
 MAP_ITEM_CHANCE_OVERRIDE = 0
 
 ;******************************************************************************************************************************
diff --git a/gamedir/Data-1.13/TableData/Lookup/AmmoFlag.xml b/gamedir/Data-1.13/TableData/Lookup/AmmoFlag.xml
new file mode 100644
index 000000000..befa74ea2
--- /dev/null
+++ b/gamedir/Data-1.13/TableData/Lookup/AmmoFlag.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<JA2Data>
+	<AmmoFlag>
+		<id>0</id>
+		<name>None</name>
+	</AmmoFlag>
+	<AmmoFlag>
+		<id>1</id>
+		<name>Neurotoxin</name>
+	</AmmoFlag>
+</JA2Data>
\ No newline at end of file
diff --git a/gamedir/Data-1.13/TableData/Lookup/ItemClass.xml b/gamedir/Data-1.13/TableData/Lookup/ItemClass.xml
index edf3b3c51..f630cc0d6 100644
--- a/gamedir/Data-1.13/TableData/Lookup/ItemClass.xml
+++ b/gamedir/Data-1.13/TableData/Lookup/ItemClass.xml
@@ -84,4 +84,8 @@
 		<id>536870912</id>
 		<name>Money</name>
 	</ItemClass>
+	<ItemClass>
+		<id>1073741824</id>
+		<name>Random Item</name>
+	</ItemClass>
 </JA2Data>
\ No newline at end of file