diff --git a/README.md b/README.md
index f4203a6..1955a5a 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,15 @@
 # CS2-SkyboxChanger
-A counterstrikesharp plugin allow you to change the skybox on every map dynamically and seamlessly.
+A counterstrikesharp plugin allow player to change their own skybox material, color and brightness on every map dynamically and seamlessly.
 ![Preview](https://github.com/samyycX/CS2-SkyboxChanger/blob/master/preview.png)
 
 ## How to use
 1. Download the plugin, decompress it to your counterstrikesharp plugin folder. A config file included default skyboxes will be generated automatically.
 2. Edit the config file to add or delete skyboxes.
+3. If you are using linux, it might requires to create symlink of `kvlib.so` in `dotnet/shared/Microsoft.NETCore.App/XXX/` folder.
+
+## Permissions
+- `@skybox/change` Allow the player to change their own skybox.
+- `@skybox/changeall` Allow the player to change all and their own skybox.
 
 ## Command
-- `!sky / !skybox` Open the select menu. (Needs `@skybox/change` permission)
+- `!sky / !skybox` Open the select menu. (Need permission)