fix intra-doc link

packages/sycamore/src/rx.rs

@@ -11,7 +11,7 @@ pub use motion::*;
 pub use signal::*;
 
 /// Creates a new reactive root / scope. Generally, you won't need this method as it is called
-/// automatically in [`render`](crate::utils::render()).
+/// automatically in [`utils::render`][crate::utils::render].
 ///
 /// # Example
 /// ```