package: individually documentation updates

Author: jpwalsh1

README.md

@@ -83,11 +83,14 @@ 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 `-${opt:stage}` to the name in order to append the stage to the function name
+one of the functions we add `-${opt:stage}` to the name in order to append the stage to the function name
 
 ```
 service: your-awesome-project
 
+package:
+    individually: true
+    
 plugins:
   - serverless-package-python-functions
 
@@ -136,6 +139,9 @@ At the function level, you:
 - Use `include` to specify what function-level files you want to include in your artifact. Simply specifying the path to the function's folder will include every file in the folder in the function's zip artifact
 - Use `artifact` to tell Serverless where to find the zip artifact. The plugin creates the zip artifact for the function at `buildDir`/`name`.zip, so using `${self:custom.pkgPyFuncs.buildDir}/[function-name-here].zip` is advised.
 
+At the package level, you may need to:
+- Specify the `individually` parameter as `true` to ensure that zip artifacts are generated properly. You may need this if you are getting file not found errors about your zip artifact.
+
 Now, you may be wondering, doesn't the [Serverless documentation say](https://serverless.com/framework/docs/providers/aws/guide/packaging#artifact):
 > Serverless won't zip your service if [artifact] is configured and therefore exclude and include will be ignored. Either you use artifact or include / exclude.