[no ci] Update docs/DateTimeInput.md

Author: slax57

docs/DateTimeInput.md

@@ -27,7 +27,7 @@ import { DateTimeInput } from 'react-admin';
 
 The input value must be a valid date string, i.e. a string understood by JavasSript's [`Date.parse()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse), or a `Date` object. Strings with [the ISO 8601 format](https://en.wikipedia.org/wiki/ISO_8601) 'yyyy-MM-ddThh:mm' are the most common (e.g. `'2022-04-30T12:30'`). The field value may contain a timezone offset, e.g. `'2022-04-30T12:30+02:00'`. If no timezone is specified, the browser's timezone is used.
 
-After modification by the user, the value is stored as a string, using the same ISO 8601  ('yyyy-MM-ddThh:mm').
+After modification by the user, the value is stored as a string, using the same ISO 8601 format ('yyyy-MM-ddThh:mm').
 
 **Tip**: For a Material UI styled `<DateTimeInput>` component, check out [MUI X Date Pickers](https://mui.com/x/react-date-pickers/)