diff --git a/postgres/include-columns-in-a-covering-index.md b/postgres/include-columns-in-a-covering-index.md
index 0d71618..f8a2b8d 100644
--- a/postgres/include-columns-in-a-covering-index.md
+++ b/postgres/include-columns-in-a-covering-index.md
@@ -20,7 +20,7 @@ keyword:
 ```sql
 create index user_id_on_events_idx
   on (user_id)
-  includes (identifier, type);
+  include (identifier, type);
 ```
 
 An index on its own can already cause a significant speed up to the queries it