diff --git a/docs/zengin/scripts/extenders/zparserextender/classes/helperclasses.md b/docs/zengin/scripts/extenders/zparserextender/classes/helperclasses.md
index 796f5c2278..a68c5a84fc 100644
--- a/docs/zengin/scripts/extenders/zparserextender/classes/helperclasses.md
+++ b/docs/zengin/scripts/extenders/zparserextender/classes/helperclasses.md
@@ -18,6 +18,17 @@ class C_Color
 };
 ```
 
+## zVEC3
+Represents 3D position in the world (float version for internal functions)
+```dae
+class zVEC3
+{
+    var float X; // X coordinate
+    var float Y; // Y coordinate
+    var float Z; // Z coordinate
+};
+```
+
 ## C_Position
 Represents 3D position in the world
 ```dae
diff --git a/docs/zengin/scripts/extenders/zparserextender/externals/wld.md b/docs/zengin/scripts/extenders/zparserextender/externals/wld.md
index 2c22d86ef2..3922117e58 100644
--- a/docs/zengin/scripts/extenders/zparserextender/externals/wld.md
+++ b/docs/zengin/scripts/extenders/zparserextender/externals/wld.md
@@ -56,7 +56,7 @@ func void Wld_PlayEffectAt( var string effect,
 ```
 
 - `effect` - effect name
-- `coord` - world coordinates (`C_Position`) to play the effect at
+- `coord` - world coordinates (`zVEC3`) to play the effect at
 - `level` - effect level
 - `damage` - damage amount
 - `damage_type` - damage type