How-to-Setup-Ali-IoT-By-Using-PM4.md

@@ -54,7 +54,11 @@ OK. now you can be connected. Next topic we will focus on the Pub/Sub
 ![pm4-text](uploads/a327c75435f82e0c82d1e2a2dc81e2a5/pm4-text.png)
 ![pm4-text-settings](uploads/6b800305dad07354de06b8f4ab47d531/pm4-text-settings.png)
 
-### 5. users can write those listen and send macros to pub and sub the topics.
+### 5. users can write those listening and sending macros to pub and sub the topics.
 
 ![macro-recv](uploads/5834ce37530fe4d85390c15d07a4596f/macro-recv.png)
-![pm4-macro-send](uploads/366b6194f4fdd66bdf7524f6f0542b76/pm4-macro-send.png)
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+![pm4-macro-send](uploads/366b6194f4fdd66bdf7524f6f0542b76/pm4-macro-send.png)
+
+That's all. Thank you for reading it.
+
+Author: Tom CHEN
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