docs: fix format error in rust.mdx

docs-en/14-reference/03-connector/rust.mdx

@@ -45,7 +45,7 @@ Add the [libtaos][libtaos] dependency to the [Rust](https://rust-lang.org) proje
 <Tabs defaultValue="native">
 <TabItem value="native" label="native connection">
 
-Add [libtaos][libtaos] to the ``Cargo.toml`'' file.
+Add [libtaos][libtaos] to the `Cargo.toml` file.
 
 ``toml
 [dependencies]
@@ -53,7 +53,7 @@ Add [libtaos][libtaos] to the ``Cargo.toml`'' file.
 libtaos = "*"
 ```
 
-</TabItem
+</TabItem>
 <TabItem value="rest" label="REST connection">
 
 Add [libtaos][libtaos] to the `Cargo.toml` file and enable the `rest` feature.