From a88107c9ca4539566231ec3c8c87a499f626ad57 Mon Sep 17 00:00:00 2001
From: jvoisin <julien.voisin@dustri.org>
Date: Wed, 26 Sep 2018 00:11:16 +0200
Subject: [PATCH] Document the output scheme in the README

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index c7f7bc7..89fb60c 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,10 @@ optional arguments:
   -L, --lightweight  remove SOME metadata
 ```
 
+Note that MAT2 **will not** clean files in-place, but will produce, for
+example, with a file named "myfile.png" a cleaned version named
+"myfile.cleaned.png".
+
 # Notes about detecting metadata
 
 While MAT2 is doing its very best to display metadata when the `--show` flag is