diff --git a/reference/intl/intlchar.xml b/reference/intl/intlchar.xml
index 18230fe82e..e7dc602592 100644
--- a/reference/intl/intlchar.xml
+++ b/reference/intl/intlchar.xml
@@ -3679,7 +3679,11 @@
     <varlistentry xml:id="intlchar.constants.no-numeric-value">
      <term><constant>IntlChar::NO_NUMERIC_VALUE</constant></term>
      <listitem>
-      <para>Special value that is returned by <function>IntlChar::getNumericValue</function> when no numeric value is defined for a code point.</para>
+      <para>
+       Special value that is returned by
+       <methodname>IntlChar::getNumericValue</methodname> when no numeric value
+       is defined for a code point.
+      </para>
      </listitem>
     </varlistentry>
 
@@ -7880,6 +7884,29 @@
   </section>
 <!-- }}} -->
 
+  <section role="changelog">
+   &reftitle.changelog;
+   <para>
+    <informaltable>
+     <tgroup cols="2">
+      <thead>
+       <row>
+        <entry>&Version;</entry>
+        <entry>&Description;</entry>
+       </row>
+      </thead>
+      <tbody>
+       <row>
+        <entry>7.0.6</entry>
+        <entry>
+         The <constant>IntlChar::NO_NUMERIC_VALUE</constant> constant was added.
+        </entry>
+       </row>
+      </tbody>
+     </tgroup>
+    </informaltable>
+   </para>
+  </section>
 
  </partintro>
 
diff --git a/reference/intl/intlchar/getnumericvalue.xml b/reference/intl/intlchar/getnumericvalue.xml
index 9c314a63f9..d7a5e2abdd 100644
--- a/reference/intl/intlchar/getnumericvalue.xml
+++ b/reference/intl/intlchar/getnumericvalue.xml
@@ -38,7 +38,9 @@
   &reftitle.returnvalues;
   <para>
    Numeric value of <parameter>codepoint</parameter>,
-   or <constant>IntlChar::NO_NUMERIC_VALUE</constant> if none is defined.
+   or <constant>IntlChar::NO_NUMERIC_VALUE</constant> if none is defined. This
+   constant was added in PHP 7.0.6, prior to this version the literal value
+   (<type>float</type>)<literal>-123456789</literal> may be used instead.
   </para>
  </refsect1>