chore: Fix spelling - unstructured

Signed-off-by: Josh Soref <[email protected]>

Author: jsoref

contributing/samples/adk_answering_agent/upload_docs_to_vertex_ai_search.py

@@ -135,7 +135,7 @@ def import_from_gcs_to_vertex_ai(
         # parent has the format of
         # "projects/{project_number}/locations/{location}/collections/{collection}/dataStores/{datastore_id}/branches/default_branch"
         parent=full_datastore_id + "/branches/default_branch",
-        # Specify the GCS source and use "content" for unstructed data.
+        # Specify the GCS source and use "content" for unstructured data.
         gcs_source=discoveryengine.GcsSource(
             input_uris=[gcs_uri], data_schema="content"
         ),