Since this is a motion to open judgment and not a proceeding to strike it off or to invalidate the sheriff's return, we are in accord with the view taken by the lower court that so far as this proceeding is concerned the judgment as entered by default was a valid one, regardless of any technical omissions in the sheriff's return which is amendable. Rogers v. Metropolitan LifeIns. Co., 99 Pa. Super. 505. Further, we are not persuaded by the appellee's contention that because her mother-in-law did not reside permanently with her and her husband that she did not deliver the copies of the complaint to them, as one in charge of the residence might be expected to do.