diff --git a/Booting/linux-bootstrap-2md.md b/Booting/linux-bootstrap-2md.md
index c2b27f2..b220b6d 100644
--- a/Booting/linux-bootstrap-2md.md
+++ b/Booting/linux-bootstrap-2md.md
@@ -39,7 +39,7 @@
  
 通过这2个信息，我们可以通过下面的公式计算出对应的物理地址 
 
-```
+```c
 PhysicalAddress = Segment * 16 + Offset
 ```