diff --git a/src/Config.zig b/src/Config.zig
index 21fdeed4..629df32b 100644
--- a/src/Config.zig
+++ b/src/Config.zig
@@ -357,7 +357,7 @@ pub fn printUsageAndExit(self: *const Config, success: bool) void {
         \\--web_bot_auth_keyid
         \\                The JWK thumbprint of your public key.
         \\
-        \\--web_bot_auth_directory
+        \\--web_bot_auth_domain
         \\                Your domain e.g. yourdomain.com
     ;