(usage): Describe new options.

diff --git a/src/chgrp.c b/src/chgrp.c
index 6f221358c76d3160bd91002d8b7812dffedd4ae9..92ec8ef7ec63c9cb1842425d5389dfa3911dca74 100644 (file)
--- a/src/chgrp.c
+++ b/src/chgrp.c
@@ -133,6 +133,10 @@ With --reference, change the group of each FILE to that of RFILE.\n\
   -h, --no-dereference   affect each symbolic link instead of any referenced\n\
                          file (useful only on systems that can change the\n\
                          ownership of a symlink)\n\
+"), stdout);
+      fputs (_("\
+      --no-preserve-root do not treat `/' specially (the default)\n\
+      --preserve-root    fail to operate recursively on `/'\n\
 "), stdout);
       fputs (_("\
   -f, --silent, --quiet  suppress most error messages\n\