fix bug

data/2.Neo4j 中阶/1.Cypher查询语言/2.Cypher和SQL的对比/cypher-sql.md

@@ -52,7 +52,7 @@ WHERE p.ProductName = 'Chocolade';
 
 ## 答案
 
-```bash
+```cypher
 MATCH (p:Product {productName:"Chocolade"})<-[:PRODUCT]-(:Order)<-[:PURCHASED]-(c:Customer)
 RETURN distinct c.companyName;
 ```