diff --git a/doc/index.md b/doc/index.md
index 0cd3686..de23d28 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -213,7 +213,7 @@ $mailgun->suppressions()->bounces()->deleteAll('example.com');
 ### Complaint API
 #### Get all complaints
 ```php
-$mailgun->suppressions()->complaints->index('example.com');
+$mailgun->suppressions()->complaints()->index('example.com');
 ```
 
 #### Show complaints for a specific address