Merge doc fixes #14553 and #14552.

Doc/library/http.server.rst

@@ -352,7 +352,7 @@ the current directory. ::
    httpd.serve_forever()
 
 :mod:`http.server` can also be invoked directly using the :option:`-m`
-switch of the interpreter a with ``port number`` argument.  Similar to
+switch of the interpreter with a ``port number`` argument.  Similar to
 the previous example, this serves files relative to the current directory. ::
 
         python -m http.server 8000

Doc/library/test.rst

@@ -172,9 +172,9 @@ only print whether the test passed or failed.
 
 Running :mod:`test` directly allows what resources are available for
 tests to use to be set. You do this by using the ``-u`` command-line
-option. Run :program:`python -m test -uall` to turn on all
-resources; specifying ``all`` as an option for ``-u`` enables all
-possible resources. If all but one resource is desired (a more common case), a
+option. Specifying ``all`` as the value for the ``-u`` option enables all
+possible resources: :program:`python -m test -uall`.
+If all but one resource is desired (a more common case), a
 comma-separated list of resources that are not desired may be listed after
 ``all``. The command :program:`python -m test -uall,-audio,-largefile`
 will run :mod:`test` with all resources except the ``audio`` and