test_spec: Clarify LTD.Throughput.RFC2544.PacketLossRatioFrameModification

Based on comments from weekly VSPERF call 2015-05-20.
JIRA: VSPERF-2

Change-Id: I7707ca62a870509baaff557715da31bb7a254b70
Signed-off-by: Billy O'Mahony<billy.o.mahony@intel.com>
Reviewed-by: Al Morton <acmorton@att.com>
Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com>

diff --git a/test_spec/vswitchperf_ltd.md b/test_spec/vswitchperf_ltd.md
index aa01652..7dde580 100755 (executable)
--- a/test_spec/vswitchperf_ltd.md
+++ b/test_spec/vswitchperf_ltd.md
@@ -542,11 +542,11 @@ The following represents possible deployments which can help to determine the pe
    - Perform any relevant address look-ups on the DUT's ingress ports.
    - Modify the packet header before forwarding the packet to the DUT's egress port. Packet modifications include:
      - Modifying the Ethernet source or destination MAC address.
-     - Modifying/adding a VLAN tag.
+     - Modifying/adding a VLAN tag. (Recommended).
      - Modifying/adding a MPLS tag.
      - Modifying the source or destination ip address.
      - Modifying the TOS/DSCP field.
-     - Modifying the source or destination ports for UDP/TCP/SCTP  (Recommended).
+     - Modifying the source or destination ports for UDP/TCP/SCTP.
      - Modifying the TTL.
 
   **Expected Result**: