Fix typo: I20 should be I2O.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 are the default protocol for storage devices attached to USB, SATA, SAS,
 Fibre Channel, FireWire, and ATAPI devices. SCSI packets are also
 commonly exchanged over Infiniband,
-`I20 <http://i2o.shadowconnect.com/faq.php>`__, TCP/IP
+`I2O <http://i2o.shadowconnect.com/faq.php>`__, TCP/IP
 (`iSCSI <https://en.wikipedia.org/wiki/ISCSI>`__), even `Parallel
 ports <http://cyberelk.net/tim/parport/parscsi.html>`__.