Fix typo

Author: ndw

src/guide/xml/changelog.xml

@@ -38,7 +38,7 @@ titles, make sure you’re getting the results you expect!</para>
 layers, but I don’t think that’s the case.</para>
 </listitem>
 <listitem>
-<para>Added a wrappar around <tag>cmdsynopsis</tag>;
+<para>Added a wrapper around <tag>cmdsynopsis</tag>;
 fixed <link xlink:href="https://github.com/docbook/xslTNG/issues/538">#538</link>.
 This makes customization of command synopses more practical in CSS.
 </para>