Corrected typo

docs/io/optional/index.rst

@@ -13,7 +13,7 @@ TARDIS also allows other inputs that are passed as keyword arguments into the ``
     callback_example
 
 
-Additionally, ``run_tardis`` can take in a filepath for the atomic data and a boolian for virtual packet logging. For example:
+Additionally, ``run_tardis`` can take in a filepath for the atomic data and a boolean for virtual packet logging. For example:
 
 .. code-block:: python
     
@@ -22,4 +22,4 @@ Additionally, ``run_tardis`` can take in a filepath for the atomic data and a bo
     sim = run_tardis('configuration_file', atom_data='filepath_to_atomic_data', virtual_packet_logging=True)
 
 Both of these are also options in the :ref:`configuration file <config-components>`. The option to pass them inside ``run_tardis``
-may be removed in a future release of the code.
+may be removed in a future release of the code.