message: Fix note formatting
diff: @@ -32,6 +32,7 @@ Note that TensorFlow already includes many filesystem implementations, such as:
  Note: NFS filesystems often mount as a POSIX interface, and so standard
  TensorFlow can work on top of NFS-mounted remote filesystems.
  +
  * HDFS - the Hadoop File System
  * GCS - Google Cloud Storage filesystem
  * A "memory-mapped-file" filesystem
  