DOC: Fix documents of Jacobian
@@ -9,7 +9,7 @@ use crate::util::non_macro::{cat, zeros};
/// : Exact jacobian matrix using Automatic Differenitation
///
/// # Type
-/// (Vector, F) -> Matrix where F: Fn(Vec<Number>) -> Vec<Number>
+/// (Vector, F) -> Matrix where F: Fn(&Vec<AD>) -> Vec<AD>
///
/// # Examples
/// ```
