diff --git a/openedx/core/djangoapps/content/search/index_config.py b/openedx/core/djangoapps/content/search/index_config.py
index e60db0e28dc7..9570956e425e 100644
--- a/openedx/core/djangoapps/content/search/index_config.py
+++ b/openedx/core/djangoapps/content/search/index_config.py
@@ -1,3 +1,4 @@
+"""Configuration for the search index."""
 from .documents import Fields