diff --git a/docs/guide/extensions.md b/docs/guide/extensions.md
index a71cfbecc..f6ebcea46 100644
--- a/docs/guide/extensions.md
+++ b/docs/guide/extensions.md
@@ -282,7 +282,7 @@ that issue, or just want a faster start up time, you can disable the automatic e
 using var host = await Microsoft.Extensions.Hosting.Host.CreateDefaultBuilder()
     .UseWolverine(opts =>
     {
-        opts.DisableConventionalDiscovery();
+        opts.Discovery.DisableConventionalDiscovery();
     }, ExtensionDiscovery.ManualOnly)
     
     .StartAsync();