From 4a5cdfb2fa5bd5df099896e750b699d2caf97571 Mon Sep 17 00:00:00 2001
From: Brian Cooper <20056195+coopbri@users.noreply.github.com>
Date: Sat, 13 Dec 2025 22:56:41 -0800
Subject: [PATCH] docs: restrict SIWE example nonce generation characters
 (#6741)

---
 docs/content/docs/plugins/siwe.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/content/docs/plugins/siwe.mdx b/docs/content/docs/plugins/siwe.mdx
index b5e49721b7..deb44cfd87 100644
--- a/docs/content/docs/plugins/siwe.mdx
+++ b/docs/content/docs/plugins/siwe.mdx
@@ -228,7 +228,7 @@ export const auth = betterAuth({
       anonymous: false,
       getNonce: async () => {
         // Generate a cryptographically secure random nonce
-        return generateRandomString(32);
+        return generateRandomString(32, "a-z", "A-Z", "0-9");
       },
       verifyMessage: async ({ message, signature, address }) => {
         try {