diff --git a/lightrag/lightrag.py b/lightrag/lightrag.py
index 5137af42..b84e22ef 100644
--- a/lightrag/lightrag.py
+++ b/lightrag/lightrag.py
@@ -208,7 +208,7 @@ class LightRAG:
             logger.info("[Entity Extraction]...")
             maybe_new_kg = await extract_entities(
                 inserting_chunks,
-                knwoledge_graph_inst=self.chunk_entity_relation_graph,
+                knowledge_graph_inst=self.chunk_entity_relation_graph,
                 entity_vdb=self.entities_vdb,
                 relationships_vdb=self.relationships_vdb,
                 global_config=asdict(self),