diff --git a/api/core/workflow/nodes/iteration/iteration_node.py b/api/core/workflow/nodes/iteration/iteration_node.py
index 03f26c76fd..70a46701bc 100644
--- a/api/core/workflow/nodes/iteration/iteration_node.py
+++ b/api/core/workflow/nodes/iteration/iteration_node.py
@@ -507,7 +507,7 @@ class IterationNode(BaseNode[IterationNodeData]):
                             )
                             outputs[current_index] = None
 
-                            # clean nodes res
+                            # clean nodes resources
                             for node_id in iteration_graph.node_ids:
                                 variable_pool.remove([node_id])