diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index 52defb29d..84f93c446 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -74,8 +74,9 @@ these routines may return a NULL pointer in such cases.</p>
 
 <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>
+<p>Added support for EPICS_HOST_ARCH=darwin-ppcx86 for building libraries/applications
+which will run on both PowerPC and Intel x86 targets.</p>
+<p>Added support for EPICS_HOST_ARCH=darwin-x86.</p>
 
 
 <h2 align="center">Changes since 3.14.8.1</h2>