diff --git a/coordinator/src/db.rs b/coordinator/src/db.rs
index 5784a5ff..77a12d8a 100644
--- a/coordinator/src/db.rs
+++ b/coordinator/src/db.rs
@@ -57,7 +57,7 @@ impl<D: Db> MainDb<D> {
 
     (bytes, tributaries)
   }
-  pub fn add_active_tributary(txn: &mut D::Transaction<'_>, spec: &TributarySpec) {
+  pub fn add_participating_in_tributary(txn: &mut D::Transaction<'_>, spec: &TributarySpec) {
     txn.put(Self::in_tributary_key(spec.set()), []);
 
     let key = Self::active_tributaries_key();
diff --git a/coordinator/src/substrate/mod.rs b/coordinator/src/substrate/mod.rs
index ce4e7c4a..d25125a9 100644
--- a/coordinator/src/substrate/mod.rs
+++ b/coordinator/src/substrate/mod.rs
@@ -116,7 +116,7 @@ async fn handle_new_set<D: Db>(
     // If this txn doesn't finish, this will be re-fired
     // If we waited to save to the DB, this txn may be finished, preventing re-firing, yet the
     // prior fired event may have not been received yet
-    crate::MainDb::<D>::add_active_tributary(txn, &spec);
+    crate::MainDb::<D>::add_participating_in_tributary(txn, &spec);
 
     new_tributary_spec.send(spec).unwrap();
   } else {