From a3c289dea1ceebcc2e624d002ab31deb851a7e3a Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Fri, 6 May 2016 01:52:56 +0200
Subject: Update the readme to clarify some limitations

---
 README.security | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/README.security b/README.security
index cd0bf98..efca2d2 100644
--- a/README.security
+++ b/README.security
@@ -95,9 +95,13 @@ Requirements
     file should be added to the anonymised archive that is
     produced.
 
-    - The MAT *must* not add metadata, since its purpose is to
+    - The MAT *must not* add metadata, since its purpose is to
     anonymise files: every added items of metadata decreases
     anonymity.
 
-    - The MAT *should* handle unknown/hidden metadata fields,
+    - The MAT *should not* handle unknown/hidden metadata fields,
     like proprietary extensions of open formats.
+
+    - The MAT *should* try to remove embedded metadata,
+    but offers no guaranties about them. For example,
+    embedded objects in PDF documents may not be completely cleaned.
-- 
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