diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index 9e85c565a..5054a6055 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -9,6 +9,13 @@
 <body lang="en">
 <h1 align="center">EPICS Base Release 3.14.8.2</h1>
 
+<h2 align="center">Changes since 3.14.8.2</h2>
+
+<h4>Mac OS X (Darwin)</h4>
+
+<p>Added EPICS_HOST_ARCH darwin-fat for building Universal Binaries.</p>
+<p>Added EPICS_HOST_ARCH darwin-x86.</p>
+
 <h2 align="center">Changes since 3.14.8.1</h2>
 
 <h4>epicsStrtod</h4>
