diff --git a/reference/mbstring/supported-encodings.xml b/reference/mbstring/supported-encodings.xml
index e31c6d7d6a..5a5962c7bb 100644
--- a/reference/mbstring/supported-encodings.xml
+++ b/reference/mbstring/supported-encodings.xml
@@ -38,7 +38,7 @@
   <listitem><simpara>ISO-2022-JP-MS</simpara></listitem>
   <listitem><simpara>CP932</simpara></listitem>
   <listitem><simpara>CP51932</simpara></listitem>
-  <listitem><simpara>SJIS-mac**</simpara></listitem>
+  <listitem><simpara>SJIS-mac** (alias: MacJapanese)</simpara></listitem>
   <listitem><simpara>SJIS-Mobile#DOCOMO** (alias: SJIS-DOCOMO)</simpara></listitem>
   <listitem><simpara>SJIS-Mobile#KDDI** (alias: SJIS-KDDI)</simpara></listitem>
   <listitem><simpara>SJIS-Mobile#SOFTBANK** (alias: SJIS-SOFTBANK)</simpara></listitem>
@@ -47,7 +47,6 @@
   <listitem><simpara>UTF-8-Mobile#KDDI-B** (alias: UTF-8-KDDI)</simpara></listitem>
   <listitem><simpara>UTF-8-Mobile#SOFTBANK** (alias: UTF-8-SOFTBANK)</simpara></listitem>
   <listitem><simpara>ISO-2022-JP-MOBILE#KDDI** (alias: ISO-2022-JP-KDDI)</simpara></listitem>
-  <listitem><simpara>SJIS-mac** (alias: MacJapanese)</simpara></listitem>
   <listitem><simpara>JIS</simpara></listitem>
   <listitem><simpara>JIS-ms</simpara></listitem>
   <listitem><simpara>CP50220</simpara></listitem>