modify readme.md English version

modify readme.md English version

README.md

@@ -68,7 +68,7 @@ public void Configure(IApplicationBuilder app)
 
 ```
 
-### Publishing
+### Publish
 
 Inject `ICapProducerService` in your Controller, then use the `ICapProducerService` to send message
 
@@ -95,7 +95,7 @@ public class PublishController : Controller
 
 ```
 
-### Subscribing
+### Subscribe
 
 **Action Method**
 
@@ -128,7 +128,7 @@ public class PublishController : Controller
 
 **Service Method**
 
-If your subscribing method is not in the Controller,then your subscribe class need to Inheritance `IConsumerService`: 
+If your subscribe method is not in the Controller,then your subscribe class need to Inheritance `IConsumerService`: 
 
 ```cs