diff --git a/Book/3.实现注意力机制.md b/Book/3.实现注意力机制.md
index b1bf76d..9f8accd 100644
--- a/Book/3.实现注意力机制.md
+++ b/Book/3.实现注意力机制.md
@@ -290,12 +290,7 @@ Sum: tensor(1.)
 >    $$
 >    \operatorname{softmax}\left(z_{i}\right)=\frac{e^{z_{i}}}{\sum_{j} e^{z_{j}}}
 >    $$
->
->    ```
->    $$
->    E = mc^2
->    $$
->    ```
+>    This is an inline formula: $E=mc^2$.
 >
 >    
 >