diff --git a/README.md b/README.md
index 1df29cb..fc07b87 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 This is a **SM2 sm2p256v1** implementation whose performance is similar like golang native NIST P256 under **amd64** . 
 
-For implementation detail, please refer https://github.com/emmansun/gmsm.wiki.git
+For implementation detail, please refer https://github.com/emmansun/gmsm/wiki
 
 **SM2 encryption Benchmark**