diff --git a/20-Knowledge/Synthesized-Japanese-Class-Notes.md b/20-Knowledge/Synthesized-Japanese-Class-Notes.md
index cbd3761..4609dc1 100644
--- a/20-Knowledge/Synthesized-Japanese-Class-Notes.md
+++ b/20-Knowledge/Synthesized-Japanese-Class-Notes.md
@@ -395,7 +395,7 @@ You can express potential without conjugating the verb into its unique form by u
 
 ### Adjectives
 
-- **い-Adjectives:** あたらしい (new), あつい (hot), いそがしい (busy), おいしい (delicious), おおきい (big), さむい (cold), ちいさい (small), むずかしい (difficult), やさしい (easy/kind), やすい (cheap), 悲しい (かなしい) - Sad (serious), 我慢強い (がまんづよい) - Patient, 使いやすい (つかいやすい) - To be useful
+- **い-Adjectives:** あたらしい (new), あつい (hot), いそがしい (busy), おいしい (delicious), おおきい (big), さむい (cold), ちいさい (small), むずかしい (difficult), やさしい (easy/kind), やすい (cheap), 悲しい (かなしい) - Sad (serious), 我慢強い (がまんづよい) - Patient, 使いやすい (つかいやすい) - To be useful, 上手い (うまい) - 2025-12-23: Smoothly, skillful, 懐かしい (なつかしい) - 2025-12-23: Nostalgic
 - **な-Adjectives:** かんたん (easy), きれい (pretty/clean), げんき (healthy), しずか (quiet), じょうず (skilled), すき (likeable), べんり (convenient), ゆうめい (famous), 残念 (ざんねん) - Disappointed/Too bad
 - **Like/Dislike Scale:** 大好き (love) > 好き (like) > 嫌い (dislike) > 大嫌い (hate)