diff --git a/SM4-with-AESENCLAST.md b/SM4-with-AESENCLAST.md
index 55f59db..fac9d84 100644
--- a/SM4-with-AESENCLAST.md
+++ b/SM4-with-AESENCLAST.md
@@ -13,7 +13,10 @@ A2(x) = M2*x + C2
 
 The combinations of (M1, C1, M2, C2) or (A1, A2) are not unique.
 
-Two known (M1, C1, M2, C2), please reference [sm4 with AESENCLAST](https://gist.github.com/emmansun/ae4677d71c75ff8407d5f5b3a884f5d2), **my question is how to generate all (M1, C1, M2, C2)? **
+Two known (M1, C1, M2, C2), please reference [sm4 with AESENCLAST](https://gist.github.com/emmansun/ae4677d71c75ff8407d5f5b3a884f5d2).
+
+My question is how to generate all (M1, C1, M2, C2)? 
+
 ```
 {(M1, C1, M2, C2) | SM4-S(x) = A2(AES-S(A1(x)), A1(x) = M1*x + C1, A2(x) = M2*x + C2}
 ```