add exposure
@@ -59,7 +59,7 @@ analyse the following datasets:
- `cash`
* - `~gammapy.datasets.SpectrumDatasetOnOff`
- `counts`
- - `edisp`
+ - `edisp`, `exposure`
- `RegionGeom`
- `acceptance`, `acceptance_off`, `counts_off`
- `wstat`
