message: docs(datetime): clarify seconds/milliseconds support
diff: @@ -66,10 +66,7 @@ for its value. The value is simply a string, rather than using JavaScript's
  `Date` object. Using the ISO datetime format makes it easy to serialize
  and parse within JSON objects and databases.
  -An ISO format can be used as a simple year, or just the hour and minute, or get
  -more detailed down to the millisecond and time zone. Any of the ISO formats below
  -can be used, and after a user selects a new value, Ionic Framework will continue to use
  -the same ISO format which datetime value was originally given as.
  +Below are some examples of ISO 8601 formats that can be used with `ion-datetime`:
  | Description | Format | Datetime Value Example |
  | -------------------- | ---------------------- | ---------------------------- |
  @@ -80,7 +77,6 @@ the same ISO format which datetime value was originally given as.
  | UTC Timezone | YYYY-MM-DDTHH:mm:ssZ | 1994-12-15T13:47:20Z |
  | Timezone Offset | YYYY-MM-DDTHH:mm:ssTZD | 1994-12-15T13:47:20+05:00 |
  | Hour and Minute | HH:mm | 13:47 |
  -| Hour, Minute, Second | HH:mm:ss | 13:47:20 |
  Note that the year is always four-digits, milliseconds (if it's added) is always
  three-digits, and all others are always two-digits. So the number representing
  @@ -88,6 +84,10 @@ January always has a leading zero, such as `01`. Additionally, the hour is
  always in the 24-hour format, so `00` is `12am` on a 12-hour clock, `13` means
  `1pm`, and `23` means `11pm`.
  +:::note
  +While seconds and milliseconds can be specified using the ISO 8601 datetime format, `ion-datetime` does not provide an interface for second and millisecond selection. Any second or millisecond values provided will be ignored.
  +:::
  +
  ## Basic Usage
  <Basic />
  