doc: update cargo.md.

2022-11-08 00:50:27 +08:00 · 2022-11-08 00:50:27 +08:00 · 04dd94d6f8
commit 04dd94d6f8
parent 5f19d3feee
1 changed files with 1 additions and 2 deletions
--- a/docs/cargo.md
+++ b/docs/cargo.md
@ -6,8 +6,7 @@ Cargo 备忘清单
 入门
 --------

-### 安装 Rust 和 Cargo
-
+### 安装/升级 Rust 和 Cargo

 ```bash
 $ curl -sSf https://static.rust-lang.org/rustup.sh | sh