Update release-notes/0.33.0.rst

Co-authored-by: abbycross <across@us.ibm.com>

release-notes/0.33.0.rst

@@ -8,7 +8,7 @@ New Features
   :class:`~.LayerError` objects. Also added the convenience method
   :meth:`~.LayerError.draw_swarm` to invoke the drawing function on a particular instance. (`1988 <https://github.com/Qiskit/qiskit-ibm-runtime/pull/1988>`__)
 - Added :class:`.TwirledSliceSpan`, an :class:`ExecutionSpan` to be used when 
-  twirling is enabled in the sampler. In particular, it keeps track of an extra shape
+  twirling is enabled in the Sampler. In particular, it keeps track of an extra shape
   axis corresponding to twirling randomizations, and also whether this axis exists at
   the front of the shape tuple, or right before the shots axis. (`2011 <https://github.com/Qiskit/qiskit-ibm-runtime/pull/2011>`__)