diff --git a/README.md b/README.md
index 4743c967..cb861e0f 100755
--- a/README.md
+++ b/README.md
@@ -127,7 +127,7 @@ diff 操作如下：
 | alias | 别名 |
 | assertion | 断言 |
 | conditional compilation | 条件编译 |
-| opaque type | 不透明类型|
+| opaque type | 不透明类型 |
 
 # 贡献者