   end
 
   @doc """
-  Asserts a message was not received and won't be during
+  Asserts a message was not received and won't be within
   a timeout value.
 
-  The `not_expected` contents must be a match pattern.
+  The `not_expected` argument must be a match pattern.
 
   ## Examples
 


  @doc """
  Asserts a message was not received (i.e. it is not in the current process mailbox).
  The `not_expected` contents must be a match pattern.

  Timeout is set to 0, so there is no waiting time.



  @doc """
  Asserts a message was received and is in the current process mailbox.
  The given `expected` argument must to be a match pattern.

  Timeout is set to 0, so there is no waiting time.

