add a little bit mentioning commandline option combinations

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)

docs/sources/reference/commandline/cli.rst

@@ -20,8 +20,12 @@ To list available commands, either run ``docker`` with no parameters or execute
 
 .. _cli_options:
 
-Types of Options
-----------------
+Options
+-------
+
+Single character commandline options can be combined, so rather than typing
+``docker run -t -i --name test busybox sh``, you can write
+``docker run -ti --name test busybox sh``.
 
 Boolean
 ~~~~~~~

docs/sources/use/basics.rst

@@ -51,7 +51,7 @@ Running an interactive shell
   # To detach the tty without exiting the shell,
   # use the escape sequence Ctrl-p + Ctrl-q
   # note: This will continue to exist in a stopped state once exited (see "docker ps -a")
-  sudo docker run -i -t ubuntu /bin/bash
+  sudo docker run -it ubuntu /bin/bash
 
 .. _bind_docker: