message: fixed typo in installation instructions
diff: @@ -192,7 +192,7 @@ Follow these few simple steps to install Superset.::
  superset init
  # To start a development web server on port 8088, use -p to bind to another port
  - superset run -p 8080 --with-threads --reload --debugger
  + superset run -p 8088 --with-threads --reload --debugger
  After installation, you should be able to point your browser to the right
  hostname:port `http://localhost:8088 <http://localhost:8088>`_, login using
  