* @c: UBIFS file-system description object
* @sleb: the scan LEB to authenticate
* @log_hash:
- * @is_last: if true, this is is the last LEB
+ * @is_last: if true, this is the last LEB
*
* This function iterates over the buds of a single LEB authenticating all buds
* with the authentication nodes on this LEB. Authentication nodes are written