 
   @doc """
   Asserts a message was or is going to be received. Unlike
-  `assert_received`, it has a default timeout of 100 miliseconds.
-
-  The given `expected` argument must be a pattern.
+  `assert_received`, it has a default timeout of 100 milliseconds.
+
+  The given `expected` argument has to be a pattern.
 
   ## Examples
 

  You can also match against specific patterns:

      assert_receive { :hello, _ }

  """
  defmacro assert_receive(expected, timeout // 100, message // nil) do

  end

  @doc """
  Asserts a message was received and is in the current process' mailbox.
  Timeout is set to 0, so there is no waiting time.

  The given `expected` argument has to be a pattern.

  ## Examples

