Fix syntax and typo errors

Change-Id: Ie80a2abfb027a9977f0f5f9290c722c2ff288f37
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/openbmc_ffdc_methods.robot b/lib/openbmc_ffdc_methods.robot
index b6cb128..17ed80a 100755
--- a/lib/openbmc_ffdc_methods.robot
+++ b/lib/openbmc_ffdc_methods.robot
@@ -655,7 +655,7 @@
 
     Return From Keyword If  ${rc} == ${0}  ${stdout}
 
-    # If linux distro doesnt have os-release, check for uname.
+    # If linux distro doesn't have os-release, check for uname.
     ${stdout}  ${stderr}  ${rc}=  OS Execute Command  uname  ignore_err=${0}
 
    [Return]  ${stdout}