diff --git a/crates/util/keyfork-slip10-test-data/src/lib.rs b/crates/util/keyfork-slip10-test-data/src/lib.rs
index 6ba51ac..e2f8414 100644
--- a/crates/util/keyfork-slip10-test-data/src/lib.rs
+++ b/crates/util/keyfork-slip10-test-data/src/lib.rs
@@ -1,5 +1,5 @@
 //! SLIP-0010 test data for use by derivation tests.
-//! Source: https://github.com/satoshilabs/slips/blob/master/slip-0010.md#test-vectors
+//! Source: <https://github.com/satoshilabs/slips/blob/master/slip-0010.md#test-vectors>
 
 use std::collections::HashMap;