Tuneup docs re setting up sphinx for building docs (#14005)

I have, more than once, tried to install the list of things that need
to build the docs, only to discover that the list doesn't use Spack's
package names.  I'm tired of facepalming....

While I was there I touched up the prose about activating the new
Python packages; activating a python package doesn't add anything to
your PYTHONPATH, it links things into a directory that's *already* on
your PYTHONPATH.  Note that this all presupposes that you're using
that same python....

0 files changed, 0 insertions, 0 deletions