Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the schema already carries per-parameter meaning and the baseline is 3. The description adds conceptual framing above the schema — the delete/restore toggle and the fact that operations are all in-place changes to one existing task — but it does not address interaction between parameters (e.g., notes vs notes_append, or clear vs due_date), so it goes only slightly past baseline.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.