fix: Correct description for data classes util

Author: Tom McCarthy

docs/content/index.mdx

@@ -74,7 +74,7 @@ Utility | Description
 [Bring your own middleware](.//utilities/middleware_factory) | Decorator factory to create your own middleware to run logic before, and after each Lambda invocation
 [Parameters utility](./utilities/parameters) | Retrieve parameter values from AWS Systems Manager Parameter Store, AWS Secrets Manager, or Amazon DynamoDB, and cache them for a specific amount of time
 [Typing utility](./utilities/typing) | Static typing classes to speedup development in your IDE
-[Event source data classes](./utilities/data_classes) - Batch processing for AWS SQS, handles partial failure.
+[Event source data classes](./utilities/data_classes) - Data classes describing the schema of common Lambda event triggers.
 
 ## Environment variables