diff --git a/NEWS b/NEWS
index 81dd9166..64201b4f 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,9 @@
 
 ** Release 0.9.8.3 <2012-04-06>
 
+   *NOTE*: existing mu/mu4e are recommended to run `mu index --rebuild' after
+   installation.
+
 *** mu4e
 
     - allow for searching by editing bookmarks
diff --git a/www/index.org b/www/index.org
index 1b752e0b..658e772b 100644
--- a/www/index.org
+++ b/www/index.org
@@ -37,6 +37,9 @@
    - fully documented (man pages, info pages)
 
 ** News
+   - 2012-04-06: released [[http://code.google.com/p/mu0/downloads/detail?name%3Dmu-0.9.8.3.tar.gz][mu-0.9.8.3]], with many improvements, fixes. See the
+     link for details. *NOTE*: existing =mu= and =mu4e= users are recommended to
+     execute =mu index --rebuild= after installation.
    - 2012-03-11: released [[http://code.google.com/p/mu0/downloads/detail?name=mu-0.9.8.2.tar.gz][mu-0.9.8.2]], with a number of fixes and improvements,
      see the link for the details.
    - 2012-02-17: released [[http://mu0.googlecode.com/files/mu-0.9.8.1.tar.gz][mu-0.9.8.1]], which has a number of improvements to the