diff --git a/README.md b/README.md
index e01ae9c..3dba4e0 100644
--- a/README.md
+++ b/README.md
@@ -762,6 +762,7 @@ Different Troop Groups can be loaded from a pickup zone. The ```ctld.loadableGro
 -- at is RPG-16
 -- aa is Stinger or Igla
 -- mortar is a 2B11 mortar unit
+-- jtac is a JTAC soldier, which will use JTACAutoLase
 -- You must add a name to the group for it to work
 -- You can also add an optional coalition side to limit the group to one side
 -- for the side - 2 is BLUE and 1 is RED
@@ -775,6 +776,26 @@ ctld.loadableGroups = {
 
 ```
 
+The infantry groups have a weight, too. It is calculated based on the soldiers' roles, and the weight of their kit
+- Every soldier weights between 90% and 120% of ctld.SOLDIER_WEIGHT, and they all carry a backpack and their helmet (ctld.KIT_WEIGHT)
+- Standard grunts have a rifle and ammo (ctld.RIFLE_WEIGHT)
+- AA soldiers have a MANPAD tube (ctld.MANPAD_WEIGHT)
+- Anti-tank soldiers have a RPG and a rocket (ctld.RPG_WEIGHT)
+- Machine gunners have the squad MG and 200 bullets (ctld.MG_WEIGHT)
+- JTAC have the laser sight, radio and binoculars (ctld.JTAC_WEIGHT)
+- Mortar servants carry their tube and a few rounds (ctld.MORTAR_WEIGHT)
+
+```lua
+ctld.SOLDIER_WEIGHT = 80 -- kg, will be randomized between 90% and 120%
+ctld.KIT_WEIGHT = 20 -- kg
+ctld.RIFLE_WEIGHT = 5 -- kg
+ctld.MANPAD_WEIGHT = 18 -- kg
+ctld.RPG_WEIGHT = 7.6 -- kg
+ctld.MG_WEIGHT = 10 -- kg
+ctld.MORTAR_WEIGHT = 26 -- kg
+ctld.JTAC_WEIGHT = 15 -- kg
+```
+
 
 ## Cargo Spawning and Sling Loading