Merge pull request #4350 from lamberta/fix-typo

Fix typo

samples/core/get_started/eager.ipynb

@@ -89,7 +89,7 @@
         "\n",
         "## TensorFlow programming\n",
         "\n",
-        "There many [TensorFlow APIs](https://www.tensorflow.org/api_docs/python/) available, but we recommend starting with these high-level TensorFlow concepts:\n",
+        "There are many [TensorFlow APIs](https://www.tensorflow.org/api_docs/python/) available, but start with these high-level TensorFlow concepts:\n",
         "\n",
         "* Enable an [eager execution](https://www.tensorflow.org/programmers_guide/eager) development environment,\n",
         "* Import data with the [Datasets API](https://www.tensorflow.org/programmers_guide/datasets),\n",