RHFL4913 and RHFL7913

[michi.278]

Datasheet

, It is recommended to insert a capacitor between ADJ - Vo of RHFL7913 and RHFL4913. The capacitor value is 470 nF for RHFL7913. On the other hand, 47 nF is recommended for RHFL 4913. Does the value differ by one digit due to the difference in characteristics?​