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/ipmi_client.robot b/lib/ipmi_client.robot
index 7ea6892..2a3b743 100755
--- a/lib/ipmi_client.robot
+++ b/lib/ipmi_client.robot
@@ -69,7 +69,7 @@
     [Arguments]  ${args}  ${os_host}=${OS_HOST}  ${os_username}=${OS_USERNAME}
     ...          ${os_password}=${OS_PASSWORD}
 
-    # Desription of arguments:
+    # Description of arguments:
     # ${args}  parameters to IPMI command.
     # ${os_host} IP address of the OS Host.
     # ${os_username}  OS Host Login user name.
@@ -88,7 +88,7 @@
     [Arguments]  ${args}  ${os_host}=${OS_HOST}  ${os_username}=${OS_USERNAME}
     ...          ${os_password}=${OS_PASSWORD}
 
-    # Desription of arguments:
+    # Description of arguments:
     # ${args}  parameters to IPMI command.
     # ${os_host} IP address of the OS Host.
     # ${os_username}  OS Host Login user name.