Fix spelling error in manpage.

Author: Chris Taylor <ctaylor@debian.org>
--- a/man/scrub.1.in
+++ b/man/scrub.1.in
@@ -104,13 +104,13 @@ Print a summary of command line options
 .TP
 .I "nnsa"
 4-pass NNSA Policy Letter NAP-14.1-C (XVI-8) for sanitizing
-removable and non-removable hard disks, which requires overwriting all
+Removable and non-removable hard disks, which requires overwriting all
 locations with a pseudorandom pattern twice and then with a known pattern:
 \fBrandom(x2), 0x00, verify\fR.
 .TP
 .I "dod"
-4-pass DoD 5220.22-M section 8-306 procedure (d) for sanitizing removeable
-and non-removeable rigid disks which requires overwriting all addressable
+4-pass DoD 5220.22-M section 8-306 procedure (d) for sanitizing removable
+and non-removable rigid disks which requires overwriting all addressable
 locations with a character, its complement, a random character, then verify.
 NOTE: \fBscrub\fR performs the random pass first to make verification
 easier: \fBrandom, 0x00, 0xff, verify\fR.
