diff --git a/CHANGES.html b/CHANGES.html
index a480bf470..074f58a75 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -55,7 +55,11 @@ us a note on ns-developers mailing list.</p>
 
 <h2>New API:</h2>
 <ul>
-  <li>Time attributes can now be bounded.  See attribute-test-suite.cc for an example.</li>
+  <li>Time attributes can now be bounded.  See attribute-test-suite.cc
+      for an example.</li>
+  <li>New generic hash function interface.  Two hash functions are provided:
+      murmur3 (default), and the venerable FNV1a.  See the Hash Functions
+      section in the Manual.</li>
 </ul>
 
 <h2>Changes to existing API:</h2>
diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 3be220832..13778efae 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -21,8 +21,12 @@ Supported platforms
 
 New user-visible features
 -------------------------
-- Time attributes can now be bounded.  See attribute-test-suite.cc for an example.
+- Time attributes can now be bounded.  See attribute-test-suite.cc for an
+  example.
 - IPv6 addrss class 2001:db8::/32 is now dropped by routers (RFC 3849).
+- New generic hash function interface.  Two hash functions are provided:
+  murmur3 (default), and the venerable FNV1a.  See the Hash Functions
+  section in the Manual.
 
 Bugs fixed
 ----------