Fix docs phrasing about supported formats when sharing a dataset

Fix docs phrasing.

The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6486). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.005042 / 0.011353 (-0.006311) | 0.003452 / 0.011008 (-0.007557) | 0.061845 / 0.038508 (0.023337) | 0.052042 / 0.023109 (0.028933) | 0.241791 / 0.275898 (-0.034107) | 0.264639 / 0.323480 (-0.058841) | 0.003940 / 0.007986 (-0.004045) | 0.002768 / 0.004328 (-0.001560) | 0.047851 / 0.004250 (0.043600) | 0.037599 / 0.037052 (0.000547) | 0.251462 / 0.258489 (-0.007028) | 0.274737 / 0.293841 (-0.019104) | 0.027723 / 0.128546 (-0.100823) | 0.010510 / 0.075646 (-0.065137) | 0.205581 / 0.419271 (-0.213691) | 0.035504 / 0.043533 (-0.008029) | 0.242380 / 0.255139 (-0.012759) | 0.259791 / 0.283200 (-0.023409) | 0.017752 / 0.141683 (-0.123931) | 1.089289 / 1.452155 (-0.362865) | 1.161958 / 1.492716 (-0.330759) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.094288 / 0.018006 (0.076282) | 0.303253 / 0.000490 (0.302763) | 0.000216 / 0.000200 (0.000016) | 0.000042 / 0.000054 (-0.000012) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.018496 / 0.037411 (-0.018915) | 0.060411 / 0.014526 (0.045885) | 0.074294 / 0.176557 (-0.102262) | 0.122934 / 0.737135 (-0.614201) | 0.074710 / 0.296338 (-0.221629) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.286394 / 0.215209 (0.071185) | 2.806145 / 2.077655 (0.728490) | 1.497071 / 1.504120 (-0.007049) | 1.362254 / 1.541195 (-0.178940) | 1.389642 / 1.468490 (-0.078848) | 0.554503 / 4.584777 (-4.030274) | 2.348029 / 3.745712 (-1.397684) | 2.780862 / 5.269862 (-2.489000) | 1.728058 / 4.565676 (-2.837619) | 0.062617 / 0.424275 (-0.361658) | 0.004901 / 0.007607 (-0.002707) | 0.346267 / 0.226044 (0.120223) | 3.363744 / 2.268929 (1.094815) | 1.826994 / 55.444624 (-53.617630) | 1.560656 / 6.876477 (-5.315820) | 1.561083 / 2.142072 (-0.580990) | 0.643395 / 4.805227 (-4.161832) | 0.116206 / 6.500664 (-6.384458) | 0.042008 / 0.075469 (-0.033461) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.953416 / 1.841788 (-0.888371) | 11.461665 / 8.074308 (3.387357) | 10.623865 / 10.191392 (0.432473) | 0.128071 / 0.680424 (-0.552353) | 0.014277 / 0.534201 (-0.519924) | 0.288810 / 0.579283 (-0.290474) | 0.267575 / 0.434364 (-0.166788) | 0.327422 / 0.540337 (-0.212916) | 0.435151 / 1.386936 (-0.951785) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.005242 / 0.011353 (-0.006111) | 0.003515 / 0.011008 (-0.007493) | 0.048483 / 0.038508 (0.009975) | 0.051684 / 0.023109 (0.028575) | 0.276564 / 0.275898 (0.000666) | 0.297582 / 0.323480 (-0.025898) | 0.004117 / 0.007986 (-0.003869) | 0.002610 / 0.004328 (-0.001719) | 0.047811 / 0.004250 (0.043561) | 0.040622 / 0.037052 (0.003569) | 0.280265 / 0.258489 (0.021776) | 0.311719 / 0.293841 (0.017878) | 0.028811 / 0.128546 (-0.099735) | 0.010600 / 0.075646 (-0.065047) | 0.056660 / 0.419271 (-0.362611) | 0.032638 / 0.043533 (-0.010894) | 0.276434 / 0.255139 (0.021295) | 0.299095 / 0.283200 (0.015896) | 0.018483 / 0.141683 (-0.123200) | 1.156382 / 1.452155 (-0.295773) | 1.252205 / 1.492716 (-0.240511) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.097868 / 0.018006 (0.079862) | 0.309438 / 0.000490 (0.308948) | 0.000229 / 0.000200 (0.000029) | 0.000043 / 0.000054 (-0.000011) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.021838 / 0.037411 (-0.015573) | 0.068358 / 0.014526 (0.053832) | 0.080432 / 0.176557 (-0.096125) | 0.119788 / 0.737135 (-0.617348) | 0.081742 / 0.296338 (-0.214597) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.301239 / 0.215209 (0.086030) | 2.962242 / 2.077655 (0.884587) | 1.693918 / 1.504120 (0.189798) | 1.573663 / 1.541195 (0.032468) | 1.583125 / 1.468490 (0.114635) | 0.557267 / 4.584777 (-4.027510) | 2.440048 / 3.745712 (-1.305664) | 2.727572 / 5.269862 (-2.542290) | 1.713557 / 4.565676 (-2.852120) | 0.062526 / 0.424275 (-0.361749) | 0.004982 / 0.007607 (-0.002625) | 0.353850 / 0.226044 (0.127806) | 3.530887 / 2.268929 (1.261958) | 2.047864 / 55.444624 (-53.396761) | 1.770776 / 6.876477 (-5.105701) | 1.757621 / 2.142072 (-0.384451) | 0.633847 / 4.805227 (-4.171381) | 0.114055 / 6.500664 (-6.386609) | 0.040078 / 0.075469 (-0.035391) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.983721 / 1.841788 (-0.858066) | 11.896537 / 8.074308 (3.822229) | 10.529883 / 10.191392 (0.338491) | 0.129593 / 0.680424 (-0.550831) | 0.016213 / 0.534201 (-0.517988) | 0.289623 / 0.579283 (-0.289660) | 0.280073 / 0.434364 (-0.154291) | 0.327446 / 0.540337 (-0.212892) | 0.574847 / 1.386936 (-0.812089) |

</details>
</details>

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