HPD example in CreateServiceRequest PDF documentation appears to be invalid

[toolness]

The PDF documentation for CreateServiceRequest contains the following HPD example payload:

{
 'Problem':'General',
 'ProblemDetails':'Cooking Gas',
 'AdditionalDetails':'Shut-Off',
 'LocationType':'Building-Wide',
 'LocationDetails':'Building-Wide',
 'AnonymousRequired':'Yes',
 'Description':'Flooring and more',
 'DateTimeObserved':'2018-05-18',
 'Agency':'HPD',
 'FullAddress':'1020340003',
 'Contact':{
 'NotificationEmail':'test2@ia.com',
 'FirstName':'Tom',
 'LastName':'Smithh',
 'Street1':'102',
 'Street2':'Broadway',
 'Borough':'Manhattan',
 'ZipCode':null,
 'City':'New York',
 'State':'NY'
 },
 'Addonproblems':[
 { 'Problem':'General',
 'ProblemDetails':'Cooking Gas',
 'AdditionalDetails':'Shut-Off'}
 ]
}

However, actually submitting this payload fails with an HTTP 400 with error code BadRequest, message WhatTimeOfdayDoesTheProblemOccur is required.