diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 1fba7eb9e1..85ddc58242 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -216,6 +216,11 @@ in the installation process (analoguous to the spellchecker installation).
 There is now direct support for Lilypond-book. Note that LyX requires at
 least version 2.14 for proper work.
 
+4.) INSTANT PREVIEW:
+
+Make sure that dv2dt (often part of LaTeX distributions) is installed
+on your system.
+
 
 Known issues in version 2.0.0
 -----------------------------