diff --git a/doc/man-pages/pod1/up.pod b/doc/man-pages/pod1/up.pod
index e9f8a2aab4..7b93f7e7ce 100644
--- a/doc/man-pages/pod1/up.pod
+++ b/doc/man-pages/pod1/up.pod
@@ -4,7 +4,7 @@ up - Recursively copy directories, preserving AFS metadata
 
 =head1 SYNOPSIS
 
-B<up> [B<-v>] [B<-1>] [B<-f>] [B<-r>] [B<-x>]
+B<up> [B<-v>] [B<-1>] [B<-f>] [B<-r>] [B<-x>] [B<-m>]
     <I<source directory>> <I<destination directory>>
 
 =head1 DESCRIPTION
@@ -84,6 +84,14 @@ Overwrites existing directories, subdirectories, and files even if the
 first (user) C<w> (write) mode bit is turned off on the version in the
 destination directory.
 
+=item B<-m>
+
+Recognize and copy mount points rather than traversing the volumes they
+reference during the recursive copy operation.  Without B<-m>, B<up>'s
+default behavior is to copy the contents of all volumes and subvolumes
+mounted under the source directory into the volume containing the
+destination directory.
+
 =item B<-r>
 
 Creates a backup copy of all files overwritten in the destination