--- a/CHANGES.html	Wed May 13 11:12:28 2015 -0700
+++ b/CHANGES.html	Wed May 13 12:02:14 2015 -0700
@@ -51,6 +51,22 @@
 us a note on ns-developers mailing list.</p>
 
 <hr>
+<h1>Changes from ns-3.23 to ns-3.24</h1>
+<h2>New API:</h2>
+<ul>
+</ul>
+<h2>Changes to existing API:</h2>
+<ul>
+</ul>
+<h2>Changes to build system:</h2>
+<ul>
+</ul>
+<h2>Changed behavior:</h2>
+This section is for behavioral changes to the models that were not due to a bug fix.
+<ul>
+</ul>
+
+<hr>
 <h1>Changes from ns-3.22 to ns-3.23</h1>
 <h2>New API:</h2>
 <ul>

--- a/RELEASE_NOTES	Wed May 13 11:12:28 2015 -0700
+++ b/RELEASE_NOTES	Wed May 13 12:02:14 2015 -0700
@@ -9,6 +9,27 @@
 Consult the file CHANGES.html for more detailed information about changed
 API and behavior across ns-3 releases.
 
+Release 3-dev
+============
+
+Availability
+------------
+This release is not yet available.
+
+Supported platforms
+-------------------
+
+New user-visible features
+-------------------------
+
+Bugs fixed
+----------
+
+Known issues
+------------
+In general, known issues are tracked on the project tracker available
+at http://www.nsnam.org/bugzilla/
+
 Release 3.23
 ============