diff --git a/crazy_functions/数学动画生成manim.py b/crazy_functions/数学动画生成manim.py
index 58749d9..843c98f 100644
--- a/crazy_functions/数学动画生成manim.py
+++ b/crazy_functions/数学动画生成manim.py
@@ -119,7 +119,7 @@ class MyAnimation(Scene):
 
 
 ```
-# Moving FrameBox
+# Plot function and moving framebox
 class MyAnimation(Scene):
     def construct(self):
         text=MathTex(