Fix the tag syntax

Resolves openbmc/openbmc-test-automation#670

Change-Id: Ia8cd234b2f514c1872c62ef0d65f9059fdd666e8
Signed-off-by: Sivas SRR <sivas.srr@in.ibm.com>
diff --git a/mnfg/test_factory_reset_zero_config.robot b/mnfg/test_factory_reset_zero_config.robot
index 68efb4e..0b05c85 100644
--- a/mnfg/test_factory_reset_zero_config.robot
+++ b/mnfg/test_factory_reset_zero_config.robot
@@ -16,7 +16,7 @@
 Zero Config
     [Documentation]   Validate Zero Config IP.
     ...               Factory-reset system and verify system comes up with Zero Config IP.
-    [Tag]             Zero_Config
+    [Tags]             Zero_Config
     Factory Reset
     Validate Zero Config IP   ${OPENBMC_HOST}
     Revert to Initial Setup   ${OPENBMC_HOST}