Fix example sampling call in the docs. [ci skip]

docs/read_the_docs/source/basic_tutorial/architecture.rst

@@ -22,7 +22,7 @@ See :doc:`run_project` for more information about running ResStock analyses.
 Sampling
 --------
 
-To run the sampling script yourself, from the command line execute, e.g. ``ruby resources/run_sampling.rb -p project_national -n 10000 -o buildstock.csv``, and a file ``buildstock.csv`` will be created in the ``resources`` directory. 
+To run the sampling script yourself, from the command line execute, e.g. ``openstudio resources/run_sampling.rb -p project_national -n 10000 -o buildstock.csv``, and a file ``buildstock.csv`` will be created in the ``resources`` directory.
 
 If a custom ``buildstock.csv`` file is located in a project's ``housing_characteristics`` directory when you run the project, it will automatically be used to generate simulations. If it’s not found, the sampling will be run automatically to create one. For each datapoint, the measure will then look up its building description from the sampled csv.