Fix rounded-lg documentation (#2029)

Discovered in tailwindlabs/tailwindcss#15986.

Author: wongjn

src/docs/border-radius.mdx

@@ -27,7 +27,7 @@ export const description = "Utilities for controlling the border radius of an el
     [`${className}-xs`, properties.map((property) => `${property}: var(--radius-xs); /* 0.125rem (2px) */`).join("\n")],
     [`${className}-sm`, properties.map((property) => `${property}: var(--radius-sm); /* 0.25rem (4px) */`).join("\n")],
     [`${className}-md`, properties.map((property) => `${property}: var(--radius-md); /* 0.375rem (6px) */`).join("\n")],
-    [`${className}-lg`, properties.map((property) => `${property}: var(--radius-lg); /* 0.75rem (8px) */`).join("\n")],
+    [`${className}-lg`, properties.map((property) => `${property}: var(--radius-lg); /* 0.5rem (8px) */`).join("\n")],
     [`${className}-xl`, properties.map((property) => `${property}: var(--radius-xl); /* 0.75rem (12px) */`).join("\n")],
     [`${className}-2xl`, properties.map((property) => `${property}: var(--radius-2xl); /* 1rem (16px) */`).join("\n")],
     [