Add minor comment to Py snippet

developers/weaviate/model-providers/_includes/provider.vectorizer.py

@@ -1386,6 +1386,7 @@ def url_to_base64(url):
 collection = client.collections.get("DemoCollection")
 
 with collection.batch.dynamic() as batch:
+    # source_objects is a list of objects being imported which contain the fields "title" and "description"
     for src_obj in source_objects:
         weaviate_obj = {
             "title": src_obj["title"],