dm vdo indexer delta-index: fix typos in comments

Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-vdo/indexer/delta-index.c

@@ -35,7 +35,7 @@
  *
  * Each delta list is stored as a bit stream. Within the delta list encoding, bits and bytes are
  * numbered in little endian order. Within a byte, bit 0 is the least significant bit (0x1), and
- * bit 7 is the most significant bit (0x80). Within a bit stream, bit 7 is the most signficant bit
+ * bit 7 is the most significant bit (0x80). Within a bit stream, bit 7 is the most significant bit
  * of byte 0, and bit 8 is the least significant bit of byte 1. Within a byte array, a byte's
  * number corresponds to its index in the array.
  *

drivers/md/dm-vdo/indexer/delta-index.h

@@ -141,7 +141,7 @@ struct delta_index_page {
  *     record at the end of the list.
  *
  * (5) If at_end is false and is_collision is true, the delta_list entry fields refer to a
- *     collision entry in the list, and the delta_list entry can be used a a reference to this
+ *     collision entry in the list, and the delta_list entry can be used as a reference to this
  *     entry.
  *
  * (6) If at_end is false and is_collision is false, the delta_list entry fields refer to a