diff --git a/src/modular/bernstein_yang.rs b/src/modular/bernstein_yang.rs
index 8b6fc8f0..cd082365 100644
--- a/src/modular/bernstein_yang.rs
+++ b/src/modular/bernstein_yang.rs
@@ -33,9 +33,9 @@ use core::{
 ///
 /// For better understanding the implementation, the following resources are recommended:
 /// - D. Bernstein, B.-Y. Yang, "Fast constant-time gcd computation and modular inversion",
-/// https://gcd.cr.yp.to/safegcd-20190413.pdf
+/// <https://gcd.cr.yp.to/safegcd-20190413.pdf>
 /// - P. Wuille, "The safegcd implementation in libsecp256k1 explained",
-/// https://github.com/bitcoin-core/secp256k1/blob/master/doc/safegcd_implementation.md
+/// <https://github.com/bitcoin-core/secp256k1/blob/master/doc/safegcd_implementation.md>
 #[derive(Debug)]
 pub struct BernsteinYangInverter<const L: usize> {
     /// Modulus