DOC Fix doc by adding a missing closing parenthesis in _gpr.py
@@ -44,7 +44,7 @@ class GaussianProcessRegressor(MultiOutputMixin, RegressorMixin, BaseEstimator):
----------
kernel : kernel instance, default=None
The kernel specifying the covariance function of the GP. If None is
- passed, the kernel ``ConstantKernel(1.0, constant_value_bounds="fixed"
+ passed, the kernel ``ConstantKernel(1.0, constant_value_bounds="fixed")
* RBF(1.0, length_scale_bounds="fixed")`` is used as default. Note that
the kernel hyperparameters are optimized during fitting unless the
bounds are marked as "fixed".
