Update Datasets.ipynb (#1023)

Grammar correction. Changed "an" to "a".

Author: JonDevOps

examples/Datasets.ipynb

@@ -41,7 +41,7 @@
         "\n",
         "<a target=\"_blank\" href=\"https://colab.research.google.com/github/google-gemini/cookbook/blob/main/examples/Datasets.ipynb\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" height=30/></a>\n",
         "\n",
-        "This notebook shows you how to process an downloaded JSONL dataset using the Batch API. To use it you will need to have logging enabled and have collected some logs into a dataset. For details on this process check out the [Logging and Datasets docs](https://ai.google.dev/gemini-api/docs/logs-datasets)."
+        "This notebook shows you how to process a downloaded JSONL dataset using the Batch API. To use it you will need to have logging enabled and have collected some logs into a dataset. For details on this process check out the [Logging and Datasets docs](https://ai.google.dev/gemini-api/docs/logs-datasets)."
       ]
     },
     {