update docs to reflect the trailing dash in prefixes

Author: endigma

README.md

@@ -57,11 +57,11 @@ An array of the Radix UI Colors you'd like to include. Dark mode and alpha varia
 
 ### prefix
 
-The prefix used for the CSS variables generated by the preset. Default is `--un-preset-radix`.
+The prefix used for the CSS variables generated by the preset. Default is `--un-preset-radix-`.
 
 ### variantPrefix
 
-The prefix used for the generated variants. Default is `radix`.
+The prefix used for the generated variants. Default is `radix-`.
 
 ### darkSelector
 

docs/configuration.md

@@ -6,11 +6,11 @@ An array of the Radix UI Colors you'd like to include. Dark mode and alpha varia
 
 ### prefix
 
-The prefix used for the CSS variables generated by the preset. Default is `--un-preset-radix`.
+The prefix used for the CSS variables generated by the preset. Default is `--un-preset-radix-`.
 
 ### variantPrefix
 
-The prefix used for the generated variants. Default is `radix`.
+The prefix used for the generated variants. Default is `radix-`.
 
 ### darkSelector