Update README.md

README.md

@@ -57,7 +57,7 @@ All cards and all options can fully be configured in the GUI editor, but it seem
 
 ## Pop-up
 
-This card allows you to convert any `vertical-stack` card into a pop-up. Each pop-up must have an unique hash (e.g. `#kitchen`), you can open them with any card that allows `navigation_path` or with the `horizontal-buttons-stack` that is included. This card come with an header for your pop-up, if you add an entity to this card you will have a button to toggle this entity in that header, you can also display the state of an entity (e.g. the temperature of a room).
+This card allows you to convert any `vertical-stack` card into a pop-up. Each pop-up must have an unique hash (e.g. `'#kitchen'`), you can open them with any card that allows `navigation_path` or with the `horizontal-buttons-stack` that is included. This card come with an header for your pop-up, if you add an entity to this card you will have a button to toggle this entity in that header, you can also display the state of an entity (e.g. the temperature of a room).
 
 1. To add a pop-up you first need to add a `vertical-stack` card to your dashboard
 2. This `vertical-stack` must be after all your other cards (this is important)