Clarified the section on how to create custom anonymizer types

Author: Tom Schillemans

Resources/doc/anonymizer.md

@@ -14,14 +14,18 @@ Provides an annotation for anonymizing objects based on specific anonymization t
 ## Registering new anonymizers
 
 You can create your own anonymizers and register them in the compiler pass by tagging the service:
+The `type` parameter specifies the name to be used in the `type` parameter of the annotation.
 
 ```yml
-your_bundle_name.your_anonymizer:
+your_bundle_name.your_anonymizer:`
     class: Your\Class\To\Your\Anonymizer
     tags:
         - { name: superbrave_gdpr.anonymizer, type: your_type }
 ```
 
+The examle above will register a anonymizer with the name `your_type`.
+You can then use it as follows ```@GDPR\Anonymize(type="your_type")```
+
 ## Usage
 
 You can anonymize objects by using the anonymizer service: