Fix incorrect documentation for keyword args

Changes:
Fix incorrect documentation for keyword arguments

Tested:
NA

Change-Id: Icb12076b16331651e9079806d899502501509875
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/redfish/systems/test_boot_devices.robot b/redfish/systems/test_boot_devices.robot
index 1ff3030..b0e34a4 100644
--- a/redfish/systems/test_boot_devices.robot
+++ b/redfish/systems/test_boot_devices.robot
@@ -314,12 +314,11 @@
     [Arguments]      ${override_target}  ${override_mode}=UEFI  ${is_bios_setup}=False
 
     # Description of argument(s):
-    # override_enabled    Boot source override enable type.
-    #                     ('Once', 'Continuous', 'Disabled').
     # override_target     Boot source override target.
     #                     ('Pxe', 'Cd', 'Hdd', 'Diags', 'BiosSetup', 'None').
     # override_mode       Boot source override mode (relevant only for x86 arch).
     #                     ('Legacy', 'UEFI').
+    # is_bios_setup       Is BIOS setup required (True, False).
 
     # Example:
     # "Boot": {
@@ -379,12 +378,11 @@
     [Arguments]      ${override_target}  ${override_mode}=UEFI  ${is_bios_setup}=False
 
     # Description of argument(s):
-    # override_enabled    Boot source override enable type.
-    #                     ('Once', 'Continuous', 'Disabled').
     # override_target     Boot source override target.
     #                     ('Pxe', 'Cd', 'Hdd', 'Diags', 'BiosSetup', 'None').
     # override_mode       Boot source override mode (relevant only for x86 arch).
     #                     ('Legacy', 'UEFI').
+    # is_bios_setup       Is BIOS setup required (True, False).
 
     # Example:
     # "Boot": {