diff --git a/ChangeLog b/ChangeLog
index b4104774..fa151304 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@ What's New for OpenJPEG
 ! : changed
 + : added
 
+July 28, 2006
++ [Antonin Descampe] added a readme in /mj2 to warn people that it only works with opj0.97
+
 July 21, 2006
 * [Mathieu Malaterre] Install exe and lib and include correctly
 * [Mathieu Malaterre] Fixed mem leaks and greyscale bmp
diff --git a/mj2/readme.txt b/mj2/readme.txt
new file mode 100644
index 00000000..9419d2a2
--- /dev/null
+++ b/mj2/readme.txt
@@ -0,0 +1,3 @@
+Attention : the motion jpeg 2000 files currently only work with OpenJPEG v0.97 that you can find here : 
+
+http://www.openjpeg.org/openjpeg_v097.tar.gz
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