diff --git a/Converting-Add-ons-to-Plugins.md b/Converting-Add-ons-to-Plugins.md
index 8745317..0357b97 100644
--- a/Converting-Add-ons-to-Plugins.md
+++ b/Converting-Add-ons-to-Plugins.md
@@ -66,10 +66,10 @@ c.OnStartup(func() error {
 })
 ```
 
-Instead of returning a middleware, call `cfg.AddMiddleware()` (where cfg is the site config you got earlier) and pass in your middleware instance:
+Instead of returning a middleware, call `siteConfig.AddMiddleware()` and pass in your middleware instance:
 
 ```go
-cfg.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+siteConfig.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
 	handler.Next = next
 	return handler
 })