diff --git a/USER_MANUAL.html b/USER_MANUAL.html
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+++ b/USER_MANUAL.html
@@ -574,6 +574,7 @@ FMA             -       Supports FMA extensions using YMM state</code></pre>
 <li>Build system:
 <ul>
 <li>Add checks for .git folder to prevent errors when building from official release tarballs. (PR #294)</li>
+<li>Simplify PortAudio static build to fix multi-core build issue on macOS. (PR #304)</li>
 </ul></li>
 <li>Enhancements:
 <ul>
diff --git a/USER_MANUAL.pdf b/USER_MANUAL.pdf
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