add faq from hussein

docs/faq.md

@@ -232,8 +232,8 @@ To update the boot image based on an image id for all the nodes in a cluster `ma
 **Q: How to refresh the user authentication token?**
 
 **A:** 
-1. Delete the auth token for the intended system/site `manta config unset auth`
 
+1. Delete the auth token for the intended system/site `manta config unset auth`
 2. Check manta is using the right site `manta config show`. This command should ask user to authenticate again since the auth token was deleted in the previous command