Update README.md

README.md

@@ -26,10 +26,11 @@ This repository hosts the code of LightRAG. The structure of this code is based
 </div>
 
 ## 🎉 News
+- [x] [2024.12.31]🎯📢LightRAG now supports [deletion by document ID](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#delete).
 - [x] [2024.11.25]🎯📢LightRAG now supports seamless integration of [custom knowledge graphs](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#insert-custom-kg), empowering users to enhance the system with their own domain expertise.
 - [x] [2024.11.19]🎯📢A comprehensive guide to LightRAG is now available on [LearnOpenCV](https://learnopencv.com/lightrag). Many thanks to the blog author.
 - [x] [2024.11.12]🎯📢LightRAG now supports [Oracle Database 23ai for all storage types (KV, vector, and graph)](https://github.com/HKUDS/LightRAG/blob/main/examples/lightrag_oracle_demo.py).
-- [x] [2024.11.11]🎯📢LightRAG now supports [deleting entities by their names](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#delete-entity).
+- [x] [2024.11.11]🎯📢LightRAG now supports [deleting entities by their names](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#delete).
 - [x] [2024.11.09]🎯📢Introducing the [LightRAG Gui](https://lightrag-gui.streamlit.app), which allows you to insert, query, visualize, and download LightRAG knowledge.
 - [x] [2024.11.04]🎯📢You can now [use Neo4J for Storage](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#using-neo4j-for-storage).
 - [x] [2024.10.29]🎯📢LightRAG now supports multiple file types, including PDF, DOC, PPT, and CSV via `textract`.
@@ -412,10 +413,9 @@ custom_kg = {
 rag.insert_custom_kg(custom_kg)
 ```
 
-### Delete Entity
-
+### Delete
 ```python
-#  Delete Entity: Deleting entities by their names
+
 rag = LightRAG(
      working_dir=WORKING_DIR,
      llm_model_func=llm_model_func,
@@ -426,7 +426,11 @@ rag = LightRAG(
      ),
 )
 
+#  Delete Entity: Deleting entities by their names
 rag.delete_by_entity("Project Gutenberg")
+
+#  Delete Document: Deleting entities and relationships associated with the document by doc id
+rag.delete_by_doc_id("doc_id")
 ```
 
 ### Multi-file Type Support