man: Fix typo in integritysetup man page.

Author: mbroz

man/integritysetup.8.adoc

@@ -201,7 +201,7 @@ The file with the integrity key.
 The size of the journal integrity key.
 Maximum is 4096 bytes.
 
-*--journal-size*, *-j* _butes_::
+*--journal-size*, *-j* _bytes_::
 Size of the journal.
 
 *--journal-watermark* _percent_::