diff --git a/CS notes/pages/Leetcode Remove-Duplicates-From-Sorted-List.md b/CS notes/pages/Leetcode Remove-Duplicates-From-Sorted-List.md
index 6e0cba8..c8f9609 100644
--- a/CS notes/pages/Leetcode Remove-Duplicates-From-Sorted-List.md	
+++ b/CS notes/pages/Leetcode Remove-Duplicates-From-Sorted-List.md	
@@ -10,6 +10,7 @@
 > #leetcode
 > ##### Revisions:
 > Initial encounter: 2022-06-16
+> 1st. revision: 2022-07-02
 
 ##### Related topics:
 ```expander