diff --git a/README.md b/README.md
index 5721d38..267c573 100644
--- a/README.md
+++ b/README.md
@@ -117,16 +117,17 @@ The column values do not have to be literals, they can be nested queries:
 
 ```clj
 (let [user-id 12345
-      role-names ["user" "editor"]]
+      role-name "user"]
   (-> (insert-into :user_profile_to_role)
       (values [{:user_profile_id user-id
                 :role_id         (-> (select :id)
                                      (from :role)
-                                     (where [:in :name role-names]))}])
+                                     (where [:= :name role-name]))}])
       sql/format))
+
 => ["INSERT INTO user_profile_to_role (user_profile_id, role_id) 
-     VALUES (12345, (SELECT id FROM role WHERE (name in (?, ?))))" 
-    "user" "editor"]
+     VALUES (12345, (SELECT id FROM role WHERE name = ?))" 
+    "user"]
 ```
 
 Updates are possible too (note the double S in `sset` to avoid clashing