Update README.md

Author: oscbyspro

README.md

@@ -68,7 +68,8 @@ A text field that binds values and formats them as you type.
 | :iphone: | SwiftUI | Value, style, done |
 | :mountain: | Environment | Uses environment values |
 | :balance_scale: | Monospaced | The standard font is monospaced |
-| :sewing_needle: | Customizable | Styles may provide default values |
+| :sewing_needle: | Customizable | Customized using [ProxyTextField](Sources/DiffableTextViewsXiOS/Views) |
+| :bulb: | Smart | Styles may provide sensible defaults |
 
 # Styles