Replace ONL with SONiC

Change-Id: I8b52a79401fbf70aaceac25549048a73fb22dae6
diff --git a/testing/system.rst b/testing/system.rst
index fc7bc69..319c4b3 100644
--- a/testing/system.rst
+++ b/testing/system.rst
@@ -65,7 +65,7 @@
     * Switch Failure Tests - Setup a flow from between hosts connected to different leaves, disable a spine used by
       the flow, verify and measure how fast the flow is rerouted to another spine.
 
-       * `ONL Reboot <https://github.com/opennetworkinglab/OnosSystemTest/tree/master/TestON/tests/USECASE/SegmentRouting/SRStaging/SRONLReboot>`_ - Simulate a switch failure by restarting ONL on the switch.
+       * `Switch OS Reboot <https://github.com/opennetworkinglab/OnosSystemTest/tree/master/TestON/tests/USECASE/SegmentRouting/SRStaging/SRONLReboot>`_ - Simulate a switch failure by restarting ONL on the switch.
 
        * `Stratum Restart <https://github.com/opennetworkinglab/OnosSystemTest/tree/master/TestON/tests/USECASE/SegmentRouting/SRStaging/SRstratumRestart>`_ - Simulate a switch failure by killing the stratum agent on the switch.