If, after the admission of any mentally ill person to any psychiatric hospital or psychiatric nursing home under a reception order, it appears that the order under which he was admitted or detained or any of the documents on the basis of which such order was made defective or incorrect, the same may, at any time thereafter be amended with the permission of the Magistrate or the District Court, by the person or persons who signed the same and upon such amendment being made, the order shall have effect and shall be deemed always to have had effect as if it had been originally made as so amended, or, as the case be, the documents upon which it was made had been originally furnished, also amended.
This section makes provision for amendment of order or document in case it is detected that any of the documents on the basis of which such order was made is defective or incorrect.