misc: Fixed spelling mistakes

Fix for spelling mistakes detected by Lintian.

Signed-off-by: Kartik Mistry <kartik@debian.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
man: manpages hyphen and spelling mistakes

Some fixes all over, part 1.

Signed-off-by: Kartik Mistry <kartik@debian.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>