rm: tweak wording about loss of data warning

* src/rm.c (usage): Update wording to make two points more
apparent: undelete is not trivial, and partial recovery should be
a consideration factor in deciding whether rm is secure enough.
Initially suggested by Reuben Thomas.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/rm.c b/src/rm.c
index d9a1f8bf6..42f0a5795 100644
--- a/src/rm.c
+++ b/src/rm.c
@@ -176,9 +176,9 @@ use one of these commands:\n\
               program_name, program_name);
       fputs (_("\
 \n\
-Note that if you use rm to remove a file, it is usually possible to recover\n\
-the contents of that file.  If you want more assurance that the contents are\n\
-truly unrecoverable, consider using shred.\n\
+Note that if you use rm to remove a file, it might be possible to recover\n\
+some of its contents, given sufficient expertise and/or time.  For greater\n\
+assurance that the contents are truly unrecoverable, consider using shred.\n\
 "), stdout);
       emit_ancillary_info ();
     }