Update README.md

README.md

@@ -12,7 +12,7 @@
   ![](https://github.com/riverallzero/riverallzero/assets/93754504/313f798d-f87a-41f8-85d7-25c6d4c6695d)
 
 ### Keyword 
-- [crawler.py](https://github.com/riverallzero/JBNU-NoticeLetter/blob/main/crawler.py) line 11에 원하는 키워드 입력하기
+- [crawler.py](https://github.com/riverallzero/JBNU-NoticeLetter/blob/main/crawler.py): line 11에 원하는 키워드 입력하기
 
   ```python
   # ================================================
@@ -22,5 +22,8 @@
   keyword = '안내'
   ```
 
+### Reset last_no.txt
+- [last_no.txt](https://github.com/riverallzero/JBNU-NoticeLetter/blob/main/last_no.txt): 최신 공지 번호 0으로 설정하기
+
 ## Result
 ![](https://github.com/riverallzero/riverallzero/assets/93754504/b0d4ca71-22a0-4d3a-9575-d52cd2d8050f)