diff --git a/src/schema/objects/entities.yaml b/src/schema/objects/entities.yaml index 5fdf8f082c..5ed45c866d 100644 --- a/src/schema/objects/entities.yaml +++ b/src/schema/objects/entities.yaml @@ -240,7 +240,8 @@ run: name: Run entity: run description: | - If several data acquisitions (for example, MRI scans or EEG recordings) with the same acquisition parameters are acquired in the same session, + If several data acquisitions (for example, MRI scans or EEG recordings) + with the same acquisition parameters are acquired in the same session, they MUST be indexed with the [`run-`](../99-appendices/09-entities.md#run) entity: `_run-1`, `_run-2`, `_run-3`, and so on (only nonnegative integers are allowed as run labels).