Fix spelling mistake in the man page for chattr

Addresses-Debian-Bug: #531385

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/misc/chattr.1.in b/misc/chattr.1.in
index 2b5955b..92f6d70 100644
--- a/misc/chattr.1.in
+++ b/misc/chattr.1.in
@@ -125,7 +125,7 @@
 idea to set the 'T' attribute on the /home directory, so that /home/john
 and /home/mary are placed into separate block groups.  For directories
 where this attribute is not set, the Orlov block allocator will try to
-group subdirectories closer together where posible.
+group subdirectories closer together where possible.
 .PP
 A file with the 't' attribute will not have a partial block fragment at
 the end of the file merged with other files (for those filesystems which