diff --git a/10-Input/Classes/Japanese Class_2026-01-21.md b/10-Input/Classes/Japanese Class_2026-01-21.md
index d1fc60d..ad154d5 100644
--- a/10-Input/Classes/Japanese Class_2026-01-21.md	
+++ b/10-Input/Classes/Japanese Class_2026-01-21.md	
@@ -8,6 +8,7 @@ This class covered new vocabulary including `少しずつ` (little by little), `
 - 週間 -> しゅうかん -> Habit/Custom
 - 変わる -> かわる -> To change (intransitive)
 - 変える -> かえる　-> To change (transitive)
+- 噓をつく -> To Tell a lie
 
 # Main Point
 ## Using の as a placeholder
@@ -31,6 +32,9 @@ The verb is 歌う, which is a verb. We stick の after it, the dictionary form,
 	- Changing a habit is difficult
 - 一か月でN1の試験に合格するのは無理です
 	- It's impossible to pass the N1 exam in just one month.
+- 噓をつくのはまずいです
+	- Lying is bad
+- 
 
 # Supplementary Notes
 ## Explaining Things about our body