fix help
diff --git a/lib/fuse.c b/lib/fuse.c
index d070f4d..68ff59f 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -1943,16 +1943,17 @@
static void fuse_lib_help(void)
{
fprintf(stderr,
- " -o hard_remove immediate removal (don't hide files)\n"
- " -o use_ino let filesystem set inode numbers\n"
- " -o readdir_ino try to fill in d_ino in readdir\n"
- " -o direct_io use direct I/O\n"
- " -o kernel_cache cache files in kernel\n"
- " -o umask=M set file permissions (octal)\n"
- " -o uid=N set file owner\n"
- " -o gid=N set file group\n"
- " -o entry_timeout=T cache timeout for names (1.0s)\n"
- " -o negative_timeout=T cache timeout for deleted names (0.0s)\n"
+" -o hard_remove immediate removal (don't hide files)\n"
+" -o use_ino let filesystem set inode numbers\n"
+" -o readdir_ino try to fill in d_ino in readdir\n"
+" -o direct_io use direct I/O\n"
+" -o kernel_cache cache files in kernel\n"
+" -o [no]auto_cache enable caching based on modification times\n"
+" -o umask=M set file permissions (octal)\n"
+" -o uid=N set file owner\n"
+" -o gid=N set file group\n"
+" -o entry_timeout=T cache timeout for names (1.0s)\n"
+" -o negative_timeout=T cache timeout for deleted names (0.0s)\n"
" -o attr_timeout=T cache timeout for attributes (1.0s)\n"
"\n");
}