diff --git a/Cargo.toml b/Cargo.toml
index 1fe5920..b7c8c7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vrchatapi"
-version = "1.6.0"
+version = "1.6.3"
 authors = ["OpenAPI Generator team and contributors"]
 license = "MIT"
 edition = "2018"
diff --git a/docs/World.md b/docs/World.md
index f4eec1d..8990d83 100644
--- a/docs/World.md
+++ b/docs/World.md
@@ -4,7 +4,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**asset_url** | **String** |  | 
+**asset_url** | **String** | Empty if unauthenticated. | 
 **asset_url_object** | [**serde_json::Value**](.md) |  | 
 **author_id** | **String** | A users unique ID, usually in the form of `usr_c1644b5b-3ca4-45b4-97c6-a2a0de70d469`. Legacy players can have old IDs in the form of `8JoV9XEdpo`. The ID can never be changed. | 
 **author_name** | **String** |  | 
@@ -32,7 +32,7 @@ Name | Type | Description | Notes
 **tags** | **Vec<String>** |  | 
 **thumbnail_image_url** | **String** |  | 
 **unity_package_url_object** | [**serde_json::Value**](.md) |  | 
-**unity_packages** | [**Vec<crate::models::UnityPackage>**](UnityPackage.md) |  | 
+**unity_packages** | [**Vec<crate::models::UnityPackage>**](UnityPackage.md) | Empty if unauthenticated. | 
 **updated_at** | **String** |  | 
 **version** | **i32** |  | [default to 0]
 **visits** | **i32** |  | [default to 0]
diff --git a/src/models/world.rs b/src/models/world.rs
index a492d01..a6e9ab0 100644
--- a/src/models/world.rs
+++ b/src/models/world.rs
@@ -11,6 +11,7 @@
 
 #[derive(Clone, Debug, PartialEq, Default, Serialize, Deserialize)]
 pub struct World {
+    /// Empty if unauthenticated.
     #[serde(rename = "assetUrl")]
     pub asset_url: String,
     #[serde(rename = "assetUrlObject")]
@@ -69,6 +70,7 @@ pub struct World {
     pub thumbnail_image_url: String,
     #[serde(rename = "unityPackageUrlObject")]
     pub unity_package_url_object: serde_json::Value,
+    /// Empty if unauthenticated.
     #[serde(rename = "unityPackages")]
     pub unity_packages: Vec<crate::models::UnityPackage>,
     #[serde(rename = "updated_at")]