Reference for Bava Batra 329:8
ר"ש אומר אם הטעה לשבח הרי זו מקודשת
is of the opinion [that] it was merely an intimation.<span class="x" onmousemove="('comment',' Lit., 'he shows him a place', i.e., the instruction was not meant to imply a request for a plain deed only. It was a mere intimation that a plain deed also would be acceptable; but no objection to a folded deed was ever intended. Hence, since it is the usage of the place to write either plain, or folded deeds, the document is legally valid. ');"><sup>11</sup></span> Abaye said: Rabban Simeon b. Gamaliel and R. Simeon and R. Eleazar are of the opinion [that, in such a case,<span class="x" onmousemove="('comment',' Where a person was instructed to perform a mission in a certain manner and he carried it out in a more acceptable manner. ');"><sup>12</sup></span>