Fix typo in the code and documentation

Change-Id: I4fa01e4790ba3a50d8a59a5a85e6781bd8f539d1
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_bmc_network_conf.robot b/redfish/managers/test_bmc_network_conf.robot
index 3953ec1..5913bd0 100644
--- a/redfish/managers/test_bmc_network_conf.robot
+++ b/redfish/managers/test_bmc_network_conf.robot
@@ -25,7 +25,7 @@
 ${out_of_range_ip}         10.7.7.256
 ${test_ipv4_addr2}         10.7.7.8
 
-# Valid netmask is 4 bytes long and has continuos block of 1s.
+# Valid netmask is 4 bytes long and has continuous block of 1s.
 # Maximum valid value in each octet is 255 and least value is 0.
 # 253 is not valid, as binary value is 11111101.
 ${invalid_netmask}         255.255.253.0