chore: improve docstring to mention the first handler/formatter only

Author: heitorlessa

aws_lambda_powertools/logging/logger.py

@@ -566,13 +566,13 @@ def remove_keys(self, keys: Iterable[str]):
 
     @property
     def registered_handler(self) -> logging.Handler:
-        """Convenience property to access logger handler"""
+        """Convenience property to access the first logger handler"""
         handlers = self._logger.parent.handlers if self.child else self._logger.handlers
         return handlers[0]
 
     @property
     def registered_formatter(self) -> BasePowertoolsFormatter:
-        """Convenience property to access logger formatter"""
+        """Convenience property to access the first logger formatter"""
         return self.registered_handler.formatter  # type: ignore
 
     def structure_logs(self, append: bool = False, formatter_options: Optional[Dict] = None, **keys):