diff --git a/pytest.ini b/pytest.ini
index 04a3cfd4..f94fcd5a 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -3,6 +3,7 @@ console_output_style = count
 # testpaths = tests
 # addopts = --server local --install-terminal
 markers =
+    es_eds: mark a test as dealing with ES/EDS mechanism
     trace: mark a test as dealing with trace
     encryption: mark a test as dealing with encryption plugin
     replication: mark a test as dealing with database participating in replication