diff --git a/hive-c0re/src/agent_config/topology.rs b/hive-c0re/src/agent_config/topology.rs
index 05cb3634..ba030b86 100644
--- a/hive-c0re/src/agent_config/topology.rs
+++ b/hive-c0re/src/agent_config/topology.rs
@@ -252,7 +252,7 @@ pub fn default_seed(agent_names: &[String]) -> BTreeMap<String, Option<String>>
     out
 }
 
-/// Pure validation + apply for [`set_parent`]. Splits off so tests
+/// Pure validation + apply for [`crate::meta::bulk_commit_topology`]. Splits off so tests
 /// can exercise the rules (cycle / unknown) on an in-memory
 /// `BTreeMap` without touching the on-disk `topology.json`. Returns
 /// either the post-move map (caller writes it back) or a