fix typo

Co-authored-by: Mikhail Astafev <astafan8@gmail.com>

Author: jenshnielsen

docs/changes/0.36.0.rst

@@ -22,7 +22,7 @@ Improved:
 
 - The sweeps used by doNd has gained the ability to perform a get call after setting the parameter and storing
   that value in the dataset rather than the value set. (:pr:`4759`)
-- `plot_datset` will now correctly wrap long titles into multiple lines. (:pr:`4770`)
+- `plot_dataset` will now correctly wrap long titles into multiple lines. (:pr:`4770`)
 - Keithley calibration: adjust calibration date before saving new calibration (:pr:`4779`)
 - Visa insturments have gained the ``pyvisa_sim_file`` argument. This allows easier instantiation of
   simulated visainstrments in tests (both in QCoDeS and external) as well as use of simulated instruments in