diff --git a/10-Input/Classes/Japanese Class_2026-01-21.md b/10-Input/Classes/Japanese Class_2026-01-21.md
index b8324ad..73ce94d 100644
--- a/10-Input/Classes/Japanese Class_2026-01-21.md	
+++ b/10-Input/Classes/Japanese Class_2026-01-21.md	
@@ -3,15 +3,21 @@ Synopsis for Japanese Class_2026-01-14.md:
 This class covered new vocabulary including `少しずつ` (little by little), `自由` (freedom), and `自動販売機` (vending machine). New grammar points included connecting sentences with `と` for natural consequences, and using `ながら` for multi-tasking.
 
 # Random Words
-- 瘦せる -> やせる -> To be thing 
-	- 瘦せっている -> To exist in a slim state
-- 太る -> ふとる -> To get fat
+- 
 
 # Main Point
 - 
 
 # Supplementary Notes
-- 
+## Explaining Things about our body
+When Explaining things about ours or others body, we should use verbs, instead of い-adj. い-adj is used for describing things, not people.
+
+- 瘦せる -> やせる -> To lose weight
+	- 瘦せっている -> To exist in a slim state
+	- 
+- 太る -> ふとる -> To get fat
+	- 太っている -> To exist in a state of being fat
+	- 太い -> ふとい -> 
 
 # Homework
 -
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