More descriptive info in logging obsolete

asab/api/discovery.py

@@ -212,7 +212,7 @@ async def get_advertised_instances(self) -> typing.List[typing.Dict]:
 		Returns a list of dictionaries. Each dictionary represents an advertised instance
 		obtained by iterating over the items in the `/run` path in ZooKeeper.
 		"""
-		LogObsolete.warning("This method is obsolete. Use `discover()` method instead.")
+		LogObsolete.warning("The method 'get_advertised_instances()' in DiscoveryService is obsolete. Use `discover()` method instead.")
 		advertised = []
 		async for item, item_data in self._iter_zk_items():
 			item_data['ephemeral_id'] = item