message: Clarify label offsets
diff: @@ -1638,9 +1638,12 @@ export interface ParameterInformation {
  /**
  * The label of this parameter information.
  *
  - * Either a string or inclusive start and exclusive end offsets within its containing
  - * [signature label](#SignatureInformation.label). *Note*: A label of type string must be
  - * a substring of its containing signature information's [label](#SignatureInformation.label).
  + * Either a string or an inclusive start and exclusive end offsets within its containing
  + * signature label. (see SignatureInformation.label). The offsets are based on a UTF-16
  + * string representation as `Position` and `Range` does.
  + *
  + * *Note*: a label of type string should be a substring of its containing signature label.
  + * Its intended use case is to highlight the parameter label part in the `SignatureInformation.label`.
  */
  label: string | [number, number];
  