diff --git a/20-Knowledge/Synthesized-Japanese-Class-Notes.md b/20-Knowledge/Synthesized-Japanese-Class-Notes.md
index 49e37e0..8b4942e 100644
--- a/20-Knowledge/Synthesized-Japanese-Class-Notes.md
+++ b/20-Knowledge/Synthesized-Japanese-Class-Notes.md
@@ -8,6 +8,8 @@ date: '2025-10-23'
 
 This note is a synthesized compilation of all Japanese class notes from the `10-Input` folder. The content has been organized by topic for clarity and ease of reference.
 
+79674766584:0173
+
 ## Grammar
 
 ### Parts of Speech