1 files changed, 6 insertions, 0 deletions
diff --git a/README b/README
index 5537ddb..fc1675e 100644
--- a/README
+++ b/README
@@ -193,3 +193,9 @@ fsname=NAME
 
   Sets the filesystem name.  The default is the program name.
 
+nonempty
+
+  Allows mounts over a non-empty file or directory.  By default these
+  mounts are rejected (from version 2.3.1) to prevent accidental
+  covering up of data, which could for example prevent automatic
+  backup.