add missing to docstring

src/pyhf/infer/__init__.py

@@ -25,6 +25,7 @@ def hypotest(
         init_pars (Array or Tensor): The initial parameter values to be used for minimization
         par_bounds (Array or Tensor): The parameter value bounds to be used for minimization
         qtilde (Bool): When ``True`` perform the calculation using the alternative test statistic, :math:`\tilde{q}`, as defined in Equation (62) of :xref:`arXiv:1007.1727`
+        calctype (`str`): The calculator to create. Choose either 'asymptotics' (default) or 'toybased'.
 
     Keyword Args:
         return_tail_probs (bool): Bool for returning :math:`\textrm{CL}_{s+b}` and :math:`\textrm{CL}_{b}`