Update checkpoint.ipynb

Author: lamberta

site/en/guide/checkpoint.ipynb

@@ -255,7 +255,7 @@
  "source": [
  "#### Create the checkpoint objects\n",
  "\n",
- "To manually create a checkpoint, you will need a `tf.train.Checkpoint` object, where the objects you want to checkpoint are set as attributes on the object.\n",
+ "Use a `tf.train.Checkpoint` object to manually create a checkpoint, where the objects you want to checkpoint are set as attributes on the object.\n",
  "\n",
  "A `tf.train.CheckpointManager` can also be helpful for managing multiple checkpoints."
  ]