a bit addition

doc/install.rst

@@ -45,6 +45,7 @@ The only exception is ``numpy``, which is required as part of the build process
   * In Linux, the python header files (``python-dev``) are also required.
   * **We do not support operating systems other than Linux.**
     For macOS users, the conda package may work out of the box if you do not need any non-default optimizers.
+    Also, the installation script by OpenMDAO likely works on macOS.
     For Windows users, a conda package is on the way, if it's not already in the repos.
     This comes with the same disclaimer as the macOS conda package.
     Alternatively, follow the :ref:`conda build instructions<conda build instruction>` below as this will work on any platform.