---
fixes:
  - Raise HTTP 400 Bad request on failure to validate
    power or inspect interface parameters before inspecting.
---
fixes:
  - Raises HTTP 400 ``Bad Request`` (instead of HTTP 500 ``Internal Server``)
    error on failure to validate ``power`` or ``inspect`` interface parameters
    before performing a hardware inspection.

Clarify fix for inspect validation failures
[reno] Clarify fix for inspect validation failures

This updates the reno for 3bda561e318e0172d6209f1580340ed9a04a161d
to clarify what was being fixed (returning HTTP 400 instead of
HTTP 500).

Change-Id: I412b650a22af3fdbaa92771c66eb37f3c07b7243
Related-Bug: #1686457
