The ornamental design for a correctionroller, as shown and described.
FIG. 1 is a rear right perspective view of the correction roller according to the new design;
FIG. 2 is a right elevation view thereof, the left view being a mirror image thereof;
FIG. 3 is a front elevation view thereof, the rear view being a mirror image thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a rear right perspective view of the correction roller (shown with the cap removed for clarity and the tip in broken lines) according to the new design;
FIG. 7 is a right elevation view thereof, the left view being a mirror image thereof;
FIG. 8 is a front elevation view thereof;
FIG. 9 is a rear elevation view thereof;
FIG. 10 is a top plan view thereof; and,
FIG. 11 is a bottom plan view thereof.
The broken lines shown in the drawings form no part of the claimed design.