diff --git a/SM4-with-AESENCLAST.md b/SM4-with-AESENCLAST.md
index a627210..b26631f 100644
--- a/SM4-with-AESENCLAST.md
+++ b/SM4-with-AESENCLAST.md
@@ -20,8 +20,8 @@ Two known (M1, C1, M2, C2), please reference [sm4 with AESENCLAST](https://gist.
 
 **How to calculate M, C from lookup table?**
 
-1.The first element of the table, T[0] should be the C.
-2.Use T[1] XOR T[0], T[2] XOR T[0], T[4] XOR T[0], T[8] XOR T[0], T[16] XOR T[0], T[32] XOR T[0], T[64] XOR T[0], T[128] XOR T[0] to calculate matrix M.
+    1.The first element of the table, T[0] should be the C.
+    2.Use T[1] XOR T[0], T[2] XOR T[0], T[4] XOR T[0], T[8] XOR T[0], T[16] XOR T[0], T[32] XOR T[0], T[64] XOR T[0], T[128] XOR T[0] to calculate matrix M.
 
 Below is sample
 ```