Merge pull request #4658 from szarnyasg/iss4657

CSV params: Fix comment

docs/data/csv/overview.md

@@ -92,7 +92,7 @@ Below are parameters that can be passed to the [`read_csv` function](#csv-functi
 | `auto_type_candidates` | Types that the sniffer uses when detecting column types. The `VARCHAR` type is always included as a fallback option. See [example](#auto_type_candidates-details). | `TYPE[]` | [default types](#auto_type_candidates-details) |
 | `buffer_size` | Size of the buffers used to read files, in bytes. Must be large enough to hold four lines and can significantly impact performance. | `BIGINT` | `16 * max_line_size` |
 | `columns` | Column names and types, as a struct (e.g., `{'col1': 'INTEGER', 'col2': 'VARCHAR'}`). Using this option disables auto detection. | `STRUCT` | (empty) |
-| `comment` | Character used to initiate comments. Lines starting with a comment character (optionally preceded by space characters) are completely ignored; other lines containing a comment character are parsed only up to that point. | `VARCHAR` | `` |
+| `comment` | Character used to initiate comments. Lines starting with a comment character (optionally preceded by space characters) are completely ignored; other lines containing a comment character are parsed only up to that point. | `VARCHAR` | (empty) |
 | `compression` | Method used to compress CSV files. By default this is detected automatically from the file extension (e.g., `t.csv.gz` will use gzip, `t.csv` will use `none`). Options are `none`, `gzip`, `zstd`. | `VARCHAR` | `auto` |
 | `dateformat` | [Date format]({% link docs/sql/functions/dateformat.md %}) used when parsing and writing dates. | `VARCHAR` | (empty) |
 | `date_format` | Alias for `dateformat`; only available in the `COPY` statement. | `VARCHAR` | (empty) |