Typo fix in code documentation

Change-Id: I0ecca31e63470bc94cc86925336b50ad95affc80
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_multiple_interfaces.robot b/redfish/managers/test_multiple_interfaces.robot
index 9d72d25..3ad8842 100644
--- a/redfish/managers/test_multiple_interfaces.robot
+++ b/redfish/managers/test_multiple_interfaces.robot
@@ -133,7 +133,7 @@
 
 
 Verify Able To Load Certificates Via Eth1 IP Address
-    [Documentation]  Verify able to load certifcates via eth1 IP address.
+    [Documentation]  Verify able to load certificates via eth1 IP address.
     [Setup]   Create Directory  certificate_dir
     [Tags]  Verify_Able_To_Load_Certificates_Via_Eth1_IP_Address
     [Teardown]  Run Keywords  Remove Directory  certificate_dir  recursive=True