message: docs(operators): describe your change...
  Fixing typo
diff: @@ -20,7 +20,7 @@ import { map } from './map';
  * ![](timeinterval.png)
  *
  * ## Examples
  - * Emit inteval between current value with the last value
  + * Emit interval between current value with the last value
  *
  * ```ts
  * const seconds = interval(1000);
  