diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index 91dfdf3b5..635d1b563 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -19,6 +19,11 @@
 <tt>-include</tt> statements in configure/RELEASE files as well as
 <tt>include</tt> statements.</p>
 
+<h4>MIPS support</h4>
+
+<p>Changes were needed to the <tt>configure/tools/munch.pl</tt> script to
+support vxWorks-MIPS targets.</p>
+
 <h4>epicsUnitTest</h4>
 
 <p>A new facility is provided in libCom for use in generating automated test