Update README.md

README.md

@@ -70,7 +70,7 @@ The card requires that all of these attributes be defined.
 |battery_shutdown_soc: | `20` |The battery shutdown percentage used to calculate remaining runtime |
 |show_solar:| `yes` | Toggle display of solar information `yes/no`|
 |panel_mode:| `no` | Toggles panel mode removing any card height restrictions. For use with Panel(1 card) view types or grid layouts|
-|inverter_colour| `#959595`| Changes the colour of the inverter. Hex codes (#66ff00 etc) or names (red, green blue etc) |
+|inverter_colour| `'#959595'`| Changes the colour of the inverter. Hex codes (`'#66ff00'` etc) or names (`red`, `green`, `blue` etc) |
 |entities:||List of sensor entities. See required [Entities](#entities) below|
 
 ### Entities