diff --git a/README.md b/README.md
index 9588ff2..f38418d 100644
--- a/README.md
+++ b/README.md
@@ -177,7 +177,7 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
 
 ```lua
 {
-  ---@alias Provider "openai" | "claude" | "azure" | "cohere" | [string]
+  ---@alias Provider "claude" | "openai" | "azure" | "gemini" | "cohere" | "copilot" | string
   provider = "claude", -- Recommend using Claude
   claude = {
     endpoint = "https://api.anthropic.com",
diff --git a/lua/avante/config.lua b/lua/avante/config.lua
index d46f7a5..6d88a62 100644
--- a/lua/avante/config.lua
+++ b/lua/avante/config.lua
@@ -10,7 +10,7 @@ local M = {}
 ---@field silent_warning boolean will be determined from debug
 M.defaults = {
   debug = false,
-  ---@alias Provider "claude" | "openai" | "azure" | "gemini" | "cohere" | string
+  ---@alias Provider "claude" | "openai" | "azure" | "gemini" | "cohere" | "copilot" | string
   provider = "claude", -- Only recommend using Claude
   ---@type AvanteSupportedProvider
   openai = {