fixed error

Author: s-polly

.openpublishing.redirection.json

@@ -169,12 +169,12 @@
       "source_path_from_root": "/articles/ai-services/openai/references/azure-machine-learning.md",
       "redirect_url": "/azure/ai-services/openai/concepts/use-your-data",
       "redirect_document_id": false
-    }
+    },
     {
       "source_path_from_root": "/articles/open-datasets/dataset-covid-19-open-research.md",
       "redirect_url": "/articles/open-datasets/dataset-catalog.md",
       "redirect_document_id": false
-    }
+    },
     {
       "source_path_from_root": "/articles/open-datasets/dataset-genomics-data-lake.md",
       "redirect_url": "/articles/open-datasets/dataset-catalog.md",