Fix docstring in spectral.py
@@ -1036,8 +1036,7 @@ class SuperExpCutoffPowerLaw4FGLSpectralModel(SpectralModel):
reference : `~astropy.units.Quantity`
:math:`E_0`
expfactor : `~astropy.units.Quantity`
- :math: `a`
- Given as dimensionless value but
+ :math:`a`, given as dimensionless value but
internally assumes unit of :math:`[E_0]` power :math:`-\Gamma_2`
Examples
