Completed brushing Suspicious Sand doesn't show correct closed captions

Completed brushing Suspicious Sand (brush_completed.suspicious_sand) doesn't show correct closed captions. Instead, it shows Brushing Sand (subtitles.item.brush.brushing.sand) which is used by brushing Sand.

Steps to Reproduce:

Brushing Suspicious Sand with Brush until complete

Observed Results:

Completed brushing Suspicious Sand shows Brushing Sand, same captions while brushing Suspicious Sand

Expected Results:

Completed brushing Suspicious Sand showing Brushing Sand completed, same as completed brushing Suspicious Gravel closed captions