Fix mean shift equation as per issue 12420
#### Reference Issues/PRs
Fixes
#### What does this implement/fix? Explain your changes.
Updates the mean shift equation as per issue 12420
@@ -387,7 +387,7 @@ is updated according to the following equation:
.. math::
- x_i^{t+1} = x_i^t + m(x_i^t)
+ x_i^{t+1} = m(x_i^t)
Where :math:`N(x_i)` is the neighborhood of samples within a given distance
around :math:`x_i` and :math:`m` is the *mean shift* vector that is computed for each
