--- a/rust/hg-core/src/utils.rs	Thu Mar 30 12:21:38 2023 +0200
+++ b/rust/hg-core/src/utils.rs	Mon Apr 03 15:32:39 2023 +0200
@@ -301,7 +301,7 @@
 /// calling `merge(key, left_value, right_value)` to resolve keys that exist in
 /// both.
 ///
-/// CC https://github.com/bodil/im-rs/issues/166
+/// CC <https://github.com/bodil/im-rs/issues/166>
 pub(crate) fn ordmap_union_with_merge<K, V>(
     left: OrdMap<K, V>,
     right: OrdMap<K, V>,