markdown error fix (#602)
diff --git a/blog/en-us/dubbo-protocol.md b/blog/en-us/dubbo-protocol.md
index 4946dc9..71fae9c 100644
--- a/blog/en-us/dubbo-protocol.md
+++ b/blog/en-us/dubbo-protocol.md
@@ -152,7 +152,7 @@
- Exception: RESPONSE_WITH_EXCEPTION 0
- Return value: response bytes returned from the server
-**Note: ** For the variable part, when uses json serialization in current version of Dubbo framework, an additional line break is added as a separator between each part of the content. Please add a new line break after each part of the variable part, such as:
+**Note:** For the variable part, when uses json serialization in current version of Dubbo framework, an additional line break is added as a separator between each part of the content. Please add a new line break after each part of the variable part, such as:
```
Dubbo version bytes (line break)
diff --git a/blog/zh-cn/dubbo-protocol.md b/blog/zh-cn/dubbo-protocol.md
index 39f142e..6a2bab2 100644
--- a/blog/zh-cn/dubbo-protocol.md
+++ b/blog/zh-cn/dubbo-protocol.md
@@ -162,7 +162,7 @@
- 异常：RESPONSE_WITH_EXCEPTION 0
- 返回值：从服务端返回的响应bytes
-**注意：**对于(Variable Part)变长部分，当前版本的Dubbo 框架使用json序列化时，在每部分内容间额外增加了换行符作为分隔，请在Variable Part的每个part后额外增加换行符， 如：
+**注意：** 对于(Variable Part)变长部分，当前版本的Dubbo 框架使用json序列化时，在每部分内容间额外增加了换行符作为分隔，请在Variable Part的每个part后额外增加换行符， 如：
```
Dubbo version bytes (换行符)
