diff --git a/openpype/hosts/maya/plugins/publish/extract_arnold_scene_source.py b/openpype/hosts/maya/plugins/publish/extract_arnold_scene_source.py
index 83295683db..7f063f1558 100644
--- a/openpype/hosts/maya/plugins/publish/extract_arnold_scene_source.py
+++ b/openpype/hosts/maya/plugins/publish/extract_arnold_scene_source.py
@@ -173,6 +173,7 @@ class ExtractArnoldSceneSource(publish.Extractor):
 
             # Copy cbId to mtoa_constant.
             for node in duplicate_nodes:
+                # Converting Maya hierarchy separator "|" to Arnold separator "/".
                 nodes_by_id[lib.get_id(node)].append(node.replace("|", "/"))
 
             with lib.attribute_values(attribute_data):