[docs] A couple spelling fixes in Quick Start
[skip ci]
@@ -28,7 +28,7 @@ To build the toolchains, you should run:
.. Note:: If you are planning to use the Hwacha vector unit, or other RoCC-based accelerators, you should build the esp-tools toolchains by adding the ``esp-tools`` argument to the script above.
If you are running on an Amazon Web Services EC2 instance, intending to use FireSim, you can also use the ``--ec2fast`` flag for an expedited installation of a pre-compiled toolchain.
-Finally, set up Chipyard environment varibles and put the newly built toolchain on your path:
+Finally, set up Chipyard's environment variables and put the newly built toolchain on your path:
.. code-block:: shell
