/* Modify the TCI field of 'packet'. If a VLAN tag is not present, one
- * is added with the TCI field set to 'tci'. If a VLAN tag is present,
+ * is added with the TCI field set to 'tci'. If a VLAN tag is present,
* then 'mask' bits are cleared before 'tci' is logically OR'd into the
* TCI field.
*