diff --git a/stac_fastapi/core/stac_fastapi/core/core.py b/stac_fastapi/core/stac_fastapi/core/core.py
index 979d6773..936b2553 100644
--- a/stac_fastapi/core/stac_fastapi/core/core.py
+++ b/stac_fastapi/core/stac_fastapi/core/core.py
@@ -255,7 +255,7 @@ async def item_collection(
 
         Args:
             collection_id (str): The identifier of the collection to read items from.
-            bbox (OOptional[BBox]): The bounding box to filter items by.
+            bbox (Optional[BBox]): The bounding box to filter items by.
             datetime (Optional[DateTimeType]): The datetime range to filter items by.
             limit (int): The maximum number of items to return. The default value is 10.
             token (str): A token used for pagination.
diff --git a/stac_fastapi/tests/resources/test_collection.py b/stac_fastapi/tests/resources/test_collection.py
index 97c9a5f6..13100239 100644
--- a/stac_fastapi/tests/resources/test_collection.py
+++ b/stac_fastapi/tests/resources/test_collection.py
@@ -56,7 +56,7 @@ async def test_update_collection_already_exists(ctx, app_client):
     """Test updating a collection which already exists"""
     ctx.collection["keywords"].append("test")
     resp = await app_client.put(
-        "/collections/{ctx.collection['id']}", json=ctx.collection
+        f"/collections/{ctx.collection['id']}", json=ctx.collection
     )
     assert resp.status_code == 200