Fix ref to spec in gammapy/data/gti.py
@@ -13,7 +13,7 @@ __all__ = [
class GTI(object):
"""Good time intervals (GTI) `~astropy.table.Table`.
- Data format specification: ref:`gadf:iact-gti`
+ Data format specification: :ref:`gadf:iact-gti`
Note: at the moment dead-time and live-time is in the
EVENTS header ... the GTI header just deals with
