The ornamental design for a wetnessindicator, as shown and described.
FIG. 1 is a full perspective view of a first embodiment of a wetness indicator on an absorbent article showing the design;
FIG. 2 is a front view of wetness indicator of FIG. 1;
FIG. 3 is a rear view of the absorbent article of FIG. 1;
FIG. 4 is a top view of the absorbent article of FIG. 1;
FIG. 5 is a bottom view of the absorbent article of FIG. 1;
FIG. 6 is a left side view of the absorbent article of FIG. 1;
FIG. 7 is a right side view of the absorbent article of FIG. 1;
FIG. 8 is a front perspective view of a wetness indicator on a substrate;
FIG. 9 is another embodiment of a wetness indicator on a substrate;
FIG. 10 is another embodiment of a wetness indicator on a substrate; and,
FIG. 11 is another embodiment of a wetness indicator on a substrate.
The claimed design comprises the elements shown in solid lines, the absorbent article shown in dotted lines in FIGS. 1 through 7 forming no part of the claimed design.