diff --git a/SM2-WWMM-(2).md b/SM2-WWMM-(2).md
index 0c892b3..1215c98 100644
--- a/SM2-WWMM-(2).md
+++ b/SM2-WWMM-(2).md
@@ -6,7 +6,7 @@ SM2 256 的素数P=0xfffffffeffffffffffffffffffffffffffffffff00000000fffffffffff
 $p_0=0xFFFFFFFFFFFFFFFF$  
 $p_1=0xFFFFFFFF00000000$  
 $p_2=0xFFFFFFFFFFFFFFFF$  
-$p_3=0xFFFFFFFFEFFFFFFF$  
+$p_3=0xFFFFFFFEFFFFFFFF$  
 
 $$P = 2^{256} - 2^{224} - 2^{96} + 2^{64} - 1$$  
 
@@ -294,7 +294,7 @@ $$O = O_3 \ast 2^{192} + O_2 \ast 2^{128} + O_1 \ast 2^{64} + O_0$$
 
 $$O = 2^{256} - 2^{32} \ast 2^{192} - 2^{128} + O_1 \ast 2^{64} + O_0$$  
 
-$O_3=0xFFFFFFFFEFFFFFFF$  
+$O_3=0xFFFFFFFEFFFFFFFF$  
 $O_2=0xFFFFFFFFFFFFFFFF$  
 $O_1=0x7203DF6B21C6052B$  
 $O_0=0x53BBF40939D54123$