diff --git a/Software/Development/OperatingSystem/Linux/Kernel/API/Linux_Kernel_内存管理.md b/Software/Development/OperatingSystem/Linux/Kernel/API/Linux_Kernel_内存管理.md
index 50d714c..3363703 100644
--- a/Software/Development/OperatingSystem/Linux/Kernel/API/Linux_Kernel_内存管理.md
+++ b/Software/Development/OperatingSystem/Linux/Kernel/API/Linux_Kernel_内存管理.md
@@ -115,7 +115,7 @@ order：要释放的页面数。
 **函数原型：**
 
 ```c
-#define virt_to_page(kaddr)	pfn_to_page(virt_to_pfn(kaddr))
+#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
 ```
 
 **说明：**