diff --git a/appendices/ini.xml b/appendices/ini.xml
index 1022c69af4..87dd1b3434 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -1696,8 +1696,10 @@
       <row>
        <entry><link linkend="ini.mbstring.language">mbstring.language</link></entry>
        <entry>"neutral"</entry>
-       <entry>PHP_INI_PERDIR</entry>
-       <entry>Available since PHP 4.3.0.</entry>
+       <entry>PHP_INI_ALL</entry>
+       <entry>
+       Available since PHP 4.3.0.; PHP_INI_PERDIR in PHP &lt;= 5.2.6
+       </entry>
       </row>
       <row>
        <entry>mbstring.script_encoding</entry>
diff --git a/reference/mbstring/ini.xml b/reference/mbstring/ini.xml
index 74f59eeb77..c247a704f7 100644
--- a/reference/mbstring/ini.xml
+++ b/reference/mbstring/ini.xml
@@ -19,8 +19,10 @@
      <row>
       <entry><link linkend="ini.mbstring.language">mbstring.language</link></entry>
       <entry>"neutral"</entry>
-      <entry>PHP_INI_PERDIR</entry>
-      <entry>Available since PHP 4.3.0.</entry>
+      <entry>PHP_INI_ALL</entry>
+      <entry>
+       Available since PHP 4.3.0.; PHP_INI_PERDIR in PHP &lt;= 5.2.6
+      </entry>
      </row>
      <row>
       <entry><link linkend="ini.mbstring.detect-order">mbstring.detect_order</link></entry>