Fix typo

themes/tiddlywiki/snowwhite/ThemeTweaks.tid

@@ -4,7 +4,7 @@ caption: Theme Tweaks
 
 You can tweak certain aspects of the ''Snow White'' theme.
 
-//Currently, you need to toggle to a different theme and back (or save and restart) TiddlyWiki before these changes take effect. Also take care to preserve any backticks (`) in the settings//
+//Currently, you need to toggle to a different theme and back (or save and restart TiddlyWiki) before these changes take effect. Also take care to preserve any backticks (`) in the settings//
 
 ! Colours