Codespell typo fixes

Change-Id: Ic5dce13bd2916ca263c30a750b83fca8e37b34a4
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/redfish_plus.py b/lib/redfish_plus.py
index 6be221c..9f4ade0 100755
--- a/lib/redfish_plus.py
+++ b/lib/redfish_plus.py
@@ -114,7 +114,7 @@
         "Unauthorized").
         """
         gp.qprint_executing(stack_frame_ix=3, style=gp.func_line_style_short)
-        # Convert python string object defintions to objects (mostly useful
+        # Convert python string object definitions to objects (mostly useful
         # for robot callers).
         args = fa.args_to_objects(args)
         kwargs = fa.args_to_objects(kwargs)
diff --git a/redfish/managers/test_bmc_network_conf.robot b/redfish/managers/test_bmc_network_conf.robot
index 1a9c65a..c470f44 100644
--- a/redfish/managers/test_bmc_network_conf.robot
+++ b/redfish/managers/test_bmc_network_conf.robot
@@ -178,7 +178,7 @@
     : FOR  ${INDEX}  IN RANGE  0  ${num_entries}
     \  Append To List  ${patch_list}  ${empty_dict}
 
-    # We need not check for existance of IP on BMC while adding.
+    # We need not check for existence of IP on BMC while adding.
     Append To List  ${patch_list}  ${ip_data}
     ${data}=  Create Dictionary  IPv4Addresses=${patch_list}