diff --git a/guide/english/blockchain/smart-contracts/index.md b/guide/english/blockchain/smart-contracts/index.md
index 1207e0dc1b..59996dfecf 100644
--- a/guide/english/blockchain/smart-contracts/index.md
+++ b/guide/english/blockchain/smart-contracts/index.md
@@ -30,7 +30,7 @@ Smart contracts in Ethereum are written using Solidity.  Solidity is a contract-
 Smart contracts in Hyperledger is called chaincode, and is written in Golang programming language.
 
 ## Hello World Smart Contract
-```solidity
+```
 pragma solidity ^0.4.24;
 contract Hello {
     string public message;