The content I retrieved from the `description.json` file appears to be CSV formatted data rather than JSON formatted data, suggesting potential data formatting issues. This file includes a header and rows of data separated by commas and semicolons, which is not standard for CSV nor JSON formatting.

Let's next inspect the `dataset_rb_leipzig.csv` file to understand its structure and contents, and then compare if there are inconsistencies or improper formatting based on the hint provided.The content retrieved from the `dataset_rb_leipzig.csv` file is actually JSON formatted data that includes metadata about a dataset related to RB Leipzig matches played prior to 14.06.2020. It includes information such as the dataset's ID, name, version, description, format, upload date, license, URL, file ID, tags, and visibility. This is inconsistent with what we would expect from a CSV file and what was suggested by the files' extensions and names.

Based on the content retrieved from both files and the given hint:

1. **Improper Data Formatting in CSV File**

- **Issue**: Misleading file names and extensions.
- **Evidence**: The file named `description.json` actually contains CSV formatted data, while the file named `dataset_rb_leipzig.csv` contains JSON formatted data.
- **Description**: The `description.json` file was expected to contain JSON formatted data suggesting the data description or metadata. Instead, it contains information in CSV format with semicolons (`;`) as delimiters in some places, which is unusual and could lead to confusion in data parsing. On the other hand, the `dataset_rb_leipzig.csv` was expected to be a CSV file but contains JSON formatted data that includes dataset metadata. This discrepancy in file contents versus their extensions and naming can lead to misunderstandings and incorrect data handling.
  
2. **Issue**: Inconsistent Delimiter Use.
- **Evidence**: "id,at;gr;sg;rg;SGPM;RGPM;rs" in the `description.json` (misnamed) file.
- **Description**: The CSV content within the `description.json` file uses a combination of commas (`,`) and semicolons (`;`) as delimiters in the header and data rows. This inconsistent use of delimiters can cause difficulties when parsing the CSV file, as CSV parsers typically expect a single consistent delimiter throughout the file. Standard CSV practices should be followed to ensure compatibility and ease of use.

Both issues highlight the importance of proper data formatting and naming conventions to ensure clarity and consistency in data handling.