diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4beb01e..5a4c731 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,10 @@ Changed
 
 - Raised defaultt ``settings.FLOW_PRIORITY`` to 50000.
 
+General Information
+===================
+- To clean up lldp flows with the old priority, run the following command, then restart kytos: ``curl -H 'Content-type: application/json' -X DELETE http://127.0.0.1:8181/api/kytos/flow_manager/v2/flows/ -d '{"flows": [{"cookie": 12321848580485677056, "cookie_mask": 18374686479671623680}]}'``
+
 [2022.3.1] - 2023-06-28
 ***********************