When you get married , for that time , please update CIC by sending a separate email through Webform or you can call them as well.
When we had baby , we updated for the new status . We missed to include baby detail in EE profile and we got ITA and later we tried to inlcude by sending separate email with Letter of explanation( LOE) . LOE is is required once you ITA and you need to submit your documents that time you can update through LOE as well.