Addressing Heitor's feedback

Author: leandrodamascena

aws_lambda_powertools/utilities/parameters/appconfig.py

@@ -99,6 +99,7 @@ def __init__(
         self.current_version = ""
 
         self._next_token: Dict[str, str] = {}  # nosec - token for get_latest_configuration executions
+        # Dict to store the recently retrieved value for a specific configuration.
         self.last_returned_value: Dict[str, str] = {}
 
     def _get(self, name: str, **sdk_options) -> str:
@@ -127,7 +128,8 @@ def _get(self, name: str, **sdk_options) -> str:
         self._next_token[name] = response["NextPollConfigurationToken"]
 
         # The return of get_latest_configuration can be null because this value is supposed to be cached
-        # on the customer side. We created a dict with the last returned value for the specific configuration
+        # on the customer side.
+        # We created dict that stores the most recently retrieved value for a specific configuration.
         # See https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/appconfigdata/client/get_latest_configuration.html
         if return_value:
             self.last_returned_value[name] = return_value