grammar change

Author: sepulworld

README.md

@@ -83,7 +83,7 @@ When `serverless deploy` is run, the plugin will:
 The Serverless framework will then pickup each zip file and upload it to your provider.
 
 Here's a simple `serverless.yml` configuration for this plugin, assuming the project structure above
-one of the fuctions we add `-${opt:stage}` to the name in order to the stage to the function name
+one of the fuctions we add `-${opt:stage}` to the name in order to append the stage to the function name
 
 ```
 service: your-awesome-project