doc: fix typo in Linux guide
doc: fix typo in Linux guide

Signed-off-by: Harrison McCullough <530ba176f350819e38d924c2acedc38213f322f7@labs.att.com>
Acked-by: John McNamara <af31595c36a4239b9676e9b3a777d3e2f15a6c4d@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk