diff --git a/kipina-codebench/prompts/code-small.md b/kipina-codebench/prompts/code-small.md
index f606599..9c32b29 100644
--- a/kipina-codebench/prompts/code-small.md
+++ b/kipina-codebench/prompts/code-small.md
@@ -35,12 +35,18 @@ class Post(Base):
     author_id: Mapped[int] = mapped_column(ForeignKey("authors.id"))
 ```
 
-Example FK test pattern:
+Example FK test patterns:
 ```
 def test_create_post():
     author = client.post("/authors/", json={"name": "Kirjailija"}).json()
     response = client.post("/posts/", json={"title": "Artikkeli", "author_id": author["id"]})
     assert response.status_code == 201
+
+def test_update_post():
+    author = client.post("/authors/", json={"name": "Päivittäjä"}).json()
+    created = client.post("/posts/", json={"title": "Vanha", "author_id": author["id"]}).json()
+    response = client.put(f"/posts/{created['id']}", json={"title": "Uusi", "author_id": author["id"]})
+    assert response.status_code == 201
 ```
 
 CRITICAL: