       User switch command
        --> c 1
 
-  Now, try to access the hello variable again:
+  Now, try to access the `hello` variable again:
 
       hello
       ** (UndefinedFunctionError) undefined function: IEx.Helpers.hello/0
 
-  The command above fails because we have switched the shells.
+  The command above fails because we have switched shells.
   Since shells are isolated from each other, you can't access the
   variables defined in one shell from the other one.
 
   The user switch command menu also allows developers to connect to remote
-  shells using the "r" command. Keep in mind that you can't connect to a
+  shells using the `r` command. Keep in mind that you can't connect to a
   remote node if you haven't given a name to the current node
-  (i.e. Process.is_alive? must return true).
+  (i.e. `Process.is_alive?` must return true).
 
   ## The .iex file
 


  @doc """
  Returns default config used to launch IEx. This config is also used by
  IEx.TestFramework.
  """
  def boot_config(opts) do
    scope = :elixir.scope_for_eval(


  ## Configuring the shell

  There are a number of customization options provided by the shell. Take a look
  at the docs for the `IEx.Options` module.

  The main functions there are `IEx.Options.get/1` and `IEx.Options.set/2`. One
