fix a typo

Author: irevoire

text/0028-indexing-csv.md

@@ -52,8 +52,8 @@ While there's [RFC 4180](https://tools.ietf.org/html/rfc4180) as a try to add a
 ##### `null` value
 
 - If a field is of type `string`, then an empty cell is considered as a `null` value (e.g. `,,`), anything else is turned into a string value (e.g. `, ,` is a single whitespace string)
-- If a field is of type `boolean`, when the trimmed field is empty, it's considered as a `null` value (e.g. `,,` `, ,`); otherwise, Meilisearch tries to parse the number.
-- If a field is of type `number`, when the trimmed field is empty, it's considered as a `null` value (e.g. `,,` `, ,`); otherwise, Meilisearch tries to parse the boolean as either `true` or `false`.
+- If a field is of type `number`, when the trimmed field is empty, it's considered as a `null` value (e.g. `,,` `, ,`); otherwise, Meilisearch tries to parse the number.
+- If a field is of type `boolean`, when the trimmed field is empty, it's considered as a `null` value (e.g. `,,` `, ,`); otherwise, Meilisearch tries to parse the boolean as either `true` or `false`.
 
 ##### Example with a comma inside a cell