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

@@ -54,7 +54,7 @@ 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. don forget select those topic in MQTT settings dialog
+### 5. select those topic in MQTT settings dialog
 ![2020-02-13_182633](uploads/af410d83b8d97afd417b16225692cc47/2020-02-13_182633.png)
 
 ### 6. users can write those listening and sending macros to pub and sub the topics.