Update README.md

README.md

@@ -447,7 +447,7 @@ Hooray, now we're getting somewhere.
 Let's add the ability to check your balance.  First pick that from the main menu, then pick which account to see the
 balance of, then you're shown a screen with the information you requested; then go back to the main menu.
 
-That's `MainMenu 'CheckBalance' -> PickAccount -> DisplayBalance -> MainMenu;`
+That's `MainMenu 'CheckBalance' -> PickAccount -> DisplayBalance -> MainMenu;`.
 
 ```jssm
 EmptyWaiting 'Wait' -> EmptyWaiting 'InsertCard' -> HasCardNoAuth;
@@ -724,4 +724,4 @@ If you'd like to help, it's straightforward.
 
 The biggest thanks must go to [Michael Morgan](https://github.com/msmorgan/), who has debated significant sections of
 the notation, invented several concepts and operators, helped with the parser, with system nomenclature, for having published
-the first not-by-me `FSL` machine, for encouragement, and generally just for having been as interested as he has been.
+the first not-by-me `FSL` machine, for encouragement, and generally just for having been as interested as he has been.