diff --git a/SM4-with-AESENCLAST.md b/SM4-with-AESENCLAST.md
index ed013db..8e47f62 100644
--- a/SM4-with-AESENCLAST.md
+++ b/SM4-with-AESENCLAST.md
@@ -11,4 +11,4 @@ A1(x) = M1*x + C1
 A2(x) = M2*x + C2
 ```
 
-The combinations of (M1, C1, M2, C2) are not unique.
\ No newline at end of file
+The combinations of (M1, C1, M2, C2) or (A1, A2) are not unique.
\ No newline at end of file