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8 changes: 4 additions & 4 deletions docs/handbook/operation_order.md
Original file line number Diff line number Diff line change
Expand Up @@ -126,9 +126,9 @@ to the DCS service.

If the grace period ends and at least one detector
included in the environment is still incompatible with PFR, the PFR
operation **will not run for any detector**.
operation will be performed for the PFR-compatible detectors.

However, the environment
Despite some detectors not having performed PFR, the environment
can still transition forward towards the `RUNNING` state, and any DCS
activities that would have taken place in PFR will instead happen
during SOR. Only at that point, if at least one detector is not
Expand All @@ -142,8 +142,8 @@ with PFR as reported by the DCS service (or become compatible during
the grace period), the PFR operation is immediately requested to the
DCS service.

If this operation fails for one or more detectors, the
`dcs.PrepareForRun` call as a whole is considered to have failed,
`dcs.PrepareForRun` call fails if no detectors are PFR-compatible
or PFR fails for all those which were PFR-compatible,
but since it is non-critical the environment may still reach the
`CONFIGURED` state and transition forward towards `RUNNING`.

Expand Down