diff --git a/doc/Changelog.html b/doc/Changelog.html
index 61ab414c..95092b86 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -87,7 +87,8 @@
 h='gmail.com';a='@';n='zityisoft';e=n+a+h;
 document.write('<a h'+'ref'+'="ma'+'ilto'+':'+e+'">'+e+'<\/'+'a'+'>');
 // -->
-</script><noscript>&#122;&#x69;&#116;&#x79;&#x69;&#x73;&#x6f;&#102;&#116;&#32;&#x61;&#116;&#32;&#x67;&#x6d;&#x61;&#x69;&#108;&#32;&#100;&#x6f;&#116;&#32;&#x63;&#x6f;&#x6d;</noscript></li>
+</script><noscript>&#122;&#x69;&#116;&#x79;&#x69;&#x73;&#x6f;&#102;&#116;&#32;&#x61;&#116;&#32;&#x67;&#x6d;&#x61;&#x69;&#108;&#32;&#100;&#x6f;&#116;&#32;&#x63;&#x6f;&#x6d;</noscript><br /></li>
+<li>Updated ALAC decoder to refalac v1.47 (2015-02-15), based on reference implementation by Apple</li>
 </ul>
 <h2 id="lamexp-v4.11-2015-04-05" class="unnumbered">LameXP v4.11 [2015-04-05]</h2>
 <ul>
diff --git a/doc/Changelog.md b/doc/Changelog.md
index fe91a807..f58a7b73 100644
--- a/doc/Changelog.md
+++ b/doc/Changelog.md
@@ -5,6 +5,7 @@
 ## LameXP v4.12 [xxxx-xx-xx] ## {-}
 
 * Added Hungarian translation, thanks to Zityi's Translator Team <zityisoft@gmail.com>
+* Updated ALAC decoder to refalac v1.47 (2015-02-15), based on reference implementation by Apple
 
 ## LameXP v4.11 [2015-04-05] ## {-}