Added entry to change log

Author: xml-project

xproc/src/main/xml/specification.xml

@@ -7446,6 +7446,10 @@ possible set of parameter values.</para>
 
 <itemizedlist>
 <listitem>
+<para>Resolved <link xlink:href="https://github.com/xproc/3.0-specification/issues/1153">issue 1153</link> 
+  by changing the [p:]timeout error code from err:XD0036 to err:XS0077.</para>
+</listitem>
+<listitem>
 <para>Resolved <link xlink:href="https://github.com/xproc/3.0-specification/issues/1133">issue 1133</link>
 by clarifying that imported function names are not transitive.
 </para>