append-only directories -> restricted deletion flag,

which is the term that POSIX d5 uses for this notion.

1 files changed, 4 insertions, 3 deletions

diff --git a/doc/perm.texi b/doc/perm.texi
index 3577c8bec..da1e9645a 100644
--- a/doc/perm.texi
+++ b/doc/perm.texi
@@ -69,11 +69,12 @@ matter what group the user who creates them is in.
 @cindex sticky
 @cindex swap space, saving text image in
 @cindex text image, saving in swap space
-@cindex append-only directories
+@cindex restricted deletion flag
 save the program's text image on the swap device so it will load more
 quickly when run (called the @dfn{sticky bit}).  For directories on some
-systems, prevent users from removing files that they do not own in the
-directory; this is called making the directory @dfn{append-only}.
+systems, prevent users from removing or renaming a file in a directory
+unless they own the file or the directory; this is called the
+@dfn{restriction deletion flag} for the directory.
 @end enumerate
 
 @node Symbolic Modes