The paper that this note refers to (FBrf0209161) has been retracted (see the retraction FBrf0215267). The retraction states that the authors of FBrf0209161 "wish to rescind the interpretation that D-elp1 can be considered as an RNA-dependent RNA polymerase". Data in Figs. 3 and 4 of FBrf0209161 remain valid, and these data remain associated with the original paper in FlyBase. All other data have been removed from FBrf0209161.