Original sentence: He goes to his TARDIS and invites Martha to go on a trip with him as a reward for her help; during this, he references Rose Tyler and emphasizes that Martha is not replacing her, and that he prefers to travel alone
Edited sentence: As the episode closes he agrees to take her, but not as a replacement for Rose, but just on a single trip as thanks for saving his life.He goes to his TARDIS.There follows a fairly lengthy introduction scene in which the Doctor explains about himself, about his former companions, including Rose Tyler