diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index f86ae667c0..26d1ab542c 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -8,9 +8,14 @@ been applied because of incomplete testing.
 Known issues in version 1.5.3
 ------------------------------------
 
-- LyX might crash if you switch the encoding of a document while the
-  View->Source pane is opened.
+- Generally, CJK does not work very well yet when it is used in a multilingual
+  context (e.g., Japanese together with English).
+  The LaTeX output might be wrong or LyX might even crash in such cases.
+  Fixes are being worked out, but they have not yet been included in this 
+  release. Cf.
   http://bugzilla.lyx.org/show_bug.cgi?id=3561
+  http://bugzilla.lyx.org/show_bug.cgi?id=4349
+  http://bugzilla.lyx.org/show_bug.cgi?id=4337
 
 - Cursor restoration problems with Multiple-View:
   When using multiple Windows to edit different parts of the