Update/improve docs

1 files changed, 5 insertions, 1 deletions

diff --git a/NOTES b/NOTES
index cc84920..25b853c 100644
--- a/NOTES
+++ b/NOTES
@@ -17,7 +17,7 @@ This is intended as a short, rather high-level, documentation.
 links between differently dated backups of that file tree to reduce space
 requirements while keeping the data in a simple form.
 
-  The destination file system is usually different to the on the source file
+  The destination file system is usually different to the one the source file
 tree resides on, in particular, it may be on a different host.  The rsync(1)
 command line program serves as backend.  Therefore, at least one of the
 source and destination need to be local.
@@ -79,6 +79,10 @@ method.
   `- In particular though, the source file system needs to be writable.  This
      problem may possibly be circumvented using bind mounts.
 
+ * Deleting regular files on the source file system does not free up space.
+   Corresponding files in /.backup may safely be deleted to mitigate this
+   problem.
+
 
 
 # -- REMOTE METHOD CALLS -- #