chore: refine wording (#10)

Author: andylokandy

src/content/post/stacksafe-taming-recursion-in-rust-without-stack-overflow.mdx

@@ -111,7 +111,7 @@ This approach works for simple cases but becomes extremely complex or impossible
 ### Lower-Level Crates: `stacker` and `recursive`
 
 - [stacker](https://crates.io/crates/stacker): Provides low-level stack growth mechanisms
-- [recursive](https://crates.io/crates/recursive): Provides a `#[recursive]` to ease the application of `stacker`
+- [recursive](https://crates.io/crates/recursive): Provides macro `#[recursive]` to ease the application of `stacker`
 
 **Limitations**: