perf record: Fix documentation for branch stack sampling

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Acked-by: Stephane Eranian <eranian@google.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/4FB60C7A.2080508@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 file changed