A correction may require supporting evidence or further review, so the official description in weeks cannot settle this case’s schedule. Submit accurate information and explain material discrepancies. Neither making a correction nor leaving it unexplained supports a reliable promise of an approval date.
How honest corrections change the shape of the timeline
Track each actual response deadline and the records needed to meet it; there is no general rule that every request restarts one common processing clock. Category and chargeability review, visa availability and any additional government examination can affect timing. Update the chronology when verified facts change and explain corrections consistently across the application and interview.
Treat any published duration as a description of a process rather than a promise about this case. Record the date of each submission and of each request received, and calculate a response deadline from the document itself rather than from a general recollection of how long such things take. Where a correction is made, note when it was made and what supporting evidence accompanied it, since a correction supplied promptly with its evidence moves differently from one offered late and unsupported.
Build the household's arrangements around the latest plausible date rather than the earliest quoted one, and revisit the chronology whenever a verified fact changes, so the account given at interview matches the account given in the application.