diff --git a/docs/zh/the-nix-language/index.md b/docs/zh/the-nix-language/index.md
index 9a78fad..2fe621b 100644
--- a/docs/zh/the-nix-language/index.md
+++ b/docs/zh/the-nix-language/index.md
@@ -242,7 +242,7 @@ args@{ a, b, ... }: a + b + args.c
 
 # 但是要注意命名参数仅绑定了输入的 attribute set，默认参数不在其中，举例
 let
-  f = { a ? 1, b ? 2, ... }@args: args
+  f = { a ? 1, b ? 2, ... }@args: args;
 in
   f {}  # 结果是 {}，也就说明了 args 中包含默认值
 
@@ -358,4 +358,4 @@ in
 
 ## 参考
 
-- [Nix language basics - nix.dev](https://nix.dev/tutorials/first-steps/nix-language)
\ No newline at end of file
+- [Nix language basics - nix.dev](https://nix.dev/tutorials/first-steps/nix-language)