--- src/sbin/hammer/hammer.8	2008/01/17 04:59:48	1.2
+++ src/sbin/hammer/hammer.8	2008/01/24 02:16:47	1.3
@@ -78,6 +78,13 @@ at the root volume if not specified.
 The B-Tree is dumped recursively if the
 .Fl r
 option is specified.
+.It Ar namekey Ar filename
+Generate a HAMMER 64 bit directory hash for the specified file name.
+The low 32 bits are used as an iterator for hash collisions and will be
+output as 0.
+.It Ar namekey32 Ar filename
+Generate the top 32 bits of a HAMMER 64 bit directory hash for the specified
+file name.
 .El
 .Sh EXAMPLES
 .Sh DIAGNOSTICS