Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.

Change-Id: I13bbeeb8f1467efc1cf8748e1a66343e879dfc8a
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/lib/utils.robot b/lib/utils.robot
index 58a73e8..69b28ad 100755
--- a/lib/utils.robot
+++ b/lib/utils.robot
@@ -488,7 +488,7 @@
     [Documentation]  Create OS console file path name and return it.
     [Arguments]  ${log_file_path}=${EMPTY}
 
-    # Description of arguements:
+    # Description of arguments:
     # file_path  The caller's candidate value.  If this value is ${EMPTY}, this
     #            keyword will compose a file path name.  Otherwise, this
     #            keyword will use the caller's file_path value.  In either
@@ -982,7 +982,7 @@
     [Documentation]  Login to OS Host.
     [Arguments]  ${os_host}=${OS_HOST}  ${os_username}=${OS_USERNAME}
     ...          ${os_password}=${OS_PASSWORD}
-    # Desription of arguments:
+    # Description of arguments:
     # ${os_host} IP address of the OS Host.
     # ${os_username}  OS Host Login user name.
     # ${os_password}  OS Host Login passwrd.