diff --git a/tool-kits/plugin/customization.mdx b/tool-kits/plugin/customization.mdx
index 8b6fba8f..0e3fed4f 100644
--- a/tool-kits/plugin/customization.mdx
+++ b/tool-kits/plugin/customization.mdx
@@ -221,7 +221,7 @@ Jupiter Plugin supports a simplified way to customize the color theme. This allo
 :root {
   --jupiter-plugin-primary: 199, 242, 132;
   --jupiter-plugin-background: 0, 0, 0;
-  --jupiter-plugin-primaryText: 232, 249, 255;
+  --jupiter-plugin-primary-text: 232, 249, 255;
   --jupiter-plugin-warning: 251, 191, 36;
   --jupiter-plugin-interactive: 33, 42, 54;
   --jupiter-plugin-module: 16, 23, 31;