Fix typo (#4546)

Author: msamesch

reference/array/functions/array-key-exists.xml

@@ -73,21 +73,21 @@
       <entry>8.0.0</entry>
       <entry>
        The <parameter>key</parameter> parameter now accepts
-       <parameter>bool</parameter>, <parameter>float</parameter>, <parameter>int</parameter>,
-       <parameter>null</parameter>, <parameter>resource</parameter>, and
-       <parameter>string</parameter> as arguments.
+       <type>bool</type>, <type>float</type>, <type>int</type>,
+       <type>null</type>, <type>resource</type>, and
+       <type>string</type> as arguments.
       </entry>
      </row>
      <row>
       <entry>8.0.0</entry>
       <entry>
-       Passing an <parameter>object</parameter> to the <parameter>array</parameter> parameter is no longer supported.
+       Passing an <type>object</type> to the <parameter>array</parameter> parameter is no longer supported.
       </entry>
      </row>
      <row>
       <entry>7.4.0</entry>
       <entry>
-       Passing an <parameter>object</parameter> to the <parameter>array</parameter> parameter has been deprecated. Use <function>property_exists</function> instead.
+       Passing an <type>object</type> to the <parameter>array</parameter> parameter has been deprecated. Use <function>property_exists</function> instead.
       </entry>
      </row>
     </tbody>