Update ff/src/fields/bf.rs

create a clickable link to the BinaryFieldElement type definition

Co-authored-by: Thomas Coratger <60488569+tcoratger@users.noreply.github.com>

ff/src/fields/bf.rs

@@ -7,7 +7,7 @@ pub struct BinaryFieldElement {
 }
 
 impl BinaryFieldElement {
-    // Constructor to create a new BinaryFieldElement
+    // Constructor to create a new [`BinaryFieldElement`]
     pub fn new(value: BigUint) -> Self {
         BinaryFieldElement { value }
     }